{
 "meta": {
  "title": "The Genealogy of SEO Folklore - Provenance Dataset (28 exhibits)",
  "edition": "2026-08-10",
  "entries": 28,
  "licence_note": "Compilation, structure and annotations released for reuse with attribution (CC BY 4.0): ClickClickMedia, 'The Genealogy of SEO Folklore', 2026. Verbatim quotes remain copyright of their original publishers and are reproduced as brief excerpts for identification, criticism and review. Tier legend: T1 = subject's own page, live-verified or archived verbatim; T2 = primary public document or controlled study with dated archive chain; T3 = trade-press/secondary confirmed; T4 = documented absence (multi-engine search logged).",
  "verification_date": "2026-08-09",
  "source_note": "Compiled from the provenance genealogies 07_provenance_a-e.md, the eight 07_provenance_f_*.md files, the receipt inventory 02_receipts.md and the master catalogue 08b_provenance_dataset_v3.md. Every URL was live-checked or archive-resolved on the verification date. Dates never approximated: waypoints the trace files could not date are omitted.",
  "article_url": "https://clickclickmedia.com.au/post/genealogy-of-seo-folklore/",
  "corrections": "service@clickclickmedia.com.au"
 },
 "entries": [
  {
   "exhibit": 1,
   "anchor": "press-release-links",
   "claim": "Press-release distribution links build authority and improve search rankings",
   "origin_class": "VENDOR-ORIGIN",
   "accelerant": null,
   "verdict_markers": [],
   "origin_year": 2005,
   "origin_document": {
    "description": "PRWeb homepage sales copy - a nav section titled 'About Search Engine Promotion' selling releases as 'instantly maximizing search engine visibility' (by January 2005); by 2009-01 the homepage claims releases 'improve their search engine rankings'. The ranking claim is the wire's own first-party sales copy, years before Google's policy response.",
    "url": "http://www.prweb.com/",
    "archive_url_or_id": "Wayback 20050101031740 (PRWeb homepage); Wayback 20090122093246 (2009 ranking claim)"
   },
   "waypoints": [
    {
     "date": "2005-01",
     "event": "PRWeb's homepage carries a nav section literally titled 'About Search Engine Promotion' and sells releases as 'instantly maximizing search engine visibility'.",
     "source_url_or_archive": "Wayback 20050101031740 (prweb.com homepage)"
    },
    {
     "date": "2009-01-22",
     "event": "PRWeb homepage verbatim: 'used by more than 40,000 organizations of all sizes to increase the visibility of their news, improve their search engine rankings and drive traffic to their Websites'.",
     "source_url_or_archive": "Wayback 20090122093246 (prweb.com homepage)"
    },
    {
     "date": "2012-12",
     "event": "Matt Cutts in a Google Webmaster Help thread: 'Note: I wouldn't expect links from press release web sites to benefit your rankings, however.'",
     "source_url_or_archive": null
    },
    {
     "date": "2013-01-23",
     "event": "Search Engine Roundtable documents the 'sreppleasers' counter-test: an SEO ranks Matt Cutts' own blog for a nonsense token using a single press-release link.",
     "source_url_or_archive": "https://www.seroundtable.com/press-release-links-google-16254.html"
    },
    {
     "date": "2013-07",
     "event": "Google closes the argument by policy: the link-schemes guidelines add 'links with optimized anchor text in articles or press releases distributed on other sites' to the violation list.",
     "source_url_or_archive": "Search Engine Land 168082; seroundtable.com 17144"
    },
    {
     "date": "2013",
     "event": "From 2013 onward the wires keep selling and the claim migrates from 'rankings' to laundered vocabulary: 'authority', 'trust signals', 'as seen on'.",
     "source_url_or_archive": null
    }
   ],
   "kill_receipts": [
    {
     "quote": "links with optimized anchor text in articles, guest posts, or press releases distributed on other sites",
     "source": "Google spam policies (link spam list), sentence survives verbatim in the live 2026 policy",
     "url_or_archive": "https://developers.google.com/search/docs/essentials/spam-policies",
     "tier": "T1"
    },
    {
     "quote": "Note: I wouldn't expect links from press release web sites to benefit your rankings, however.",
     "source": "Matt Cutts, Google Webmaster Help thread, December 2012",
     "url_or_archive": null,
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "BrandPush (brandpush.co) - live pricing $195/$265/$595/$795 per release to '200-400+ news outlets'; verbatim: 'High-Authority Backlinks: Get powerful links that signal trust to search engines'.",
     "url_or_archive": "https://brandpush.co",
     "dated": "2026-08-09 (fetched live)"
    }
   ],
   "what_remains_true": "Wire distribution can still put announcements in front of journalists; what died in July 2013 is the ranking claim - Google's live spam policy names optimized-anchor press-release links as link spam.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 2,
   "anchor": "domain-authority",
   "claim": "Domain Authority can be raised as a service and doing so improves Google rankings",
   "origin_class": "VENDOR-ORIGIN",
   "accelerant": null,
   "verdict_markers": [
    "Legitimate Ancestor (toolbar-PageRank vacuum honoured per ruling)"
   ],
   "origin_year": 2010,
   "origin_document": {
    "description": "Open Site Explorer launch, SEOmoz, 2010-01-20/21 - Page Authority and Domain Authority ship as product features: a prediction of ranking likelihood from SEOmoz's own Linkscape link index, a proxy for Google sold by a company that is not Google.",
    "url": "https://searchengineland.com/seomoz-launches-open-site-explorer-33892",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2010-01-20",
     "event": "SEOmoz ships Page Authority and Domain Authority with the launch of Open Site Explorer (launch coverage SEL 2010-01-20; MediaPost 2010-01-21).",
     "source_url_or_archive": "https://searchengineland.com/seomoz-launches-open-site-explorer-33892"
    },
    {
     "date": "2016-04",
     "event": "Google kills public Toolbar PageRank; DA becomes the only visible 'authority number' left and link/guest-post marketplaces begin denominating inventory and pricing in DA tiers.",
     "source_url_or_archive": null
    },
    {
     "date": "2019-03-05",
     "event": "Moz recalibrates the score ('DA 2.0') and the industry reacts as if rankings had changed - 'Some SEOs Are Freaking Out' - though nothing moved in Google.",
     "source_url_or_archive": "https://www.seroundtable.com/moz-updated-domain-authority-seo-confused-27211.html"
    },
    {
     "date": "2020-02-24",
     "event": "Mueller on the record: 'We don't use domain authority at all in our algorithms'.",
     "source_url_or_archive": "https://web.archive.org/web/20200224162307/https://twitter.com/JohnMu/status/1231974976514908160"
    },
    {
     "date": "2024-03",
     "event": "Google blog states third-party authority scores 'don't correspond to any of Google's own signals nor come from Google'; the service category's response is rebrand toward AI-citation authority, not retreat.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2024/03/core-update-spam-policies"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Domain Authority is not a Google ranking factor and has no effect on the SERPs.",
     "source": "Moz's own live definition page (updated 2025-03-18) - the metric's inventor disclaims the exact thing the market guarantees",
     "url_or_archive": "https://moz.com/learn/seo/domain-authority",
     "tier": "T1"
    },
    {
     "quote": "We don't use domain authority at all in our algorithms.",
     "source": "John Mueller, 2020-02-24 (archived tweet; @JohnMu account now locked)",
     "url_or_archive": "https://web.archive.org/web/20200224162307/https://twitter.com/JohnMu/status/1231974976514908160",
     "tier": "T1"
    },
    {
     "quote": "don't correspond to any of Google's own signals nor come from Google.",
     "source": "Google Search Central blog, March 2024, on third-party authority scores",
     "url_or_archive": "https://developers.google.com/search/blog/2024/03/core-update-spam-policies",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Fiverr category page for the deliverable ('24 Best Da Increase Services'; live gigs $20-$80, 'DA 50+ Guaranteed' on Legiit via redirects that game Moz's crawler, not Google).",
     "url_or_archive": "https://www.fiverr.com/gigs/da-increase",
     "dated": "2026-08-09 (fetched live)"
    },
    {
     "artifact": "Archived DA-increase gig from July 2022 still on sale in 2026 - four years of continuous retail for a metric Google disclaimed in 2020.",
     "url_or_archive": "https://web.archive.org/web/20220703031154/https://www.fiverr.com/baigzia/increase-domain-authority-da-60-plus",
     "dated": "2022-07-03 (capture) / still selling 2026"
    }
   ],
   "what_remains_true": "The metric itself is an honest third-party prediction of ranking likelihood, useful comparatively - the folklore is treating the proxy as the lever, which the metric's own inventor disclaims verbatim.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 3,
   "anchor": "toxic-links",
   "claim": "Your toxic backlinks need regular disavows",
   "origin_class": "VENDOR-ORIGIN",
   "accelerant": null,
   "verdict_markers": [
    "outlived Penguin (spawning mechanism dead 2016-09-23; Penguin on Google's retired-systems list)"
   ],
   "origin_year": 2012,
   "origin_document": {
    "description": "Link Detox launch press release, PRWeb, 2012-09-13 (CEMPER.COM, Vienna) - 'toxic' links as a product name preceding the use-case, sold as negative-SEO attack insurance 33 days before Google shipped its disavow tool.",
    "url": "http://www.prweb.com/releases/2012/9/prweb9885644.htm",
    "archive_url_or_id": "https://web.archive.org/web/20120917000035/http://www.prweb.com/releases/2012/9/prweb9885644.htm"
   },
   "waypoints": [
    {
     "date": "2012-04-24",
     "event": "Google Penguin launches - the real event: an algorithm demoting sites for manipulative links.",
     "source_url_or_archive": null
    },
    {
     "date": "2012-09-13",
     "event": "CEMPER.COM launches Link Detox via PRWeb release framed as defence against 'a New Form of Online Attacks'; 'Link Risk Management' ongoing-audit recurrence engineered at birth.",
     "source_url_or_archive": "https://web.archive.org/web/20120917000035/http://www.prweb.com/releases/2012/9/prweb9885644.htm"
    },
    {
     "date": "2012-10-16",
     "event": "Google ships the disavow tool - the commercial toxic-link detector predates the Google tool it feeds by 33 days.",
     "source_url_or_archive": "Google Webmaster Central blog, 'A new tool to disavow links' (date string verified live 2026-08-09)"
    },
    {
     "date": "2016-09-23",
     "event": "Penguin 4.0: 'Penguin now devalues spam by adjusting ranking based on spam signals, rather than affecting ranking of the whole site' - the core rationale for proactive disavow ends on this date.",
     "source_url_or_archive": "Google Webmaster Central blog (verified live 2026-08-09)"
    },
    {
     "date": "2024-05",
     "event": "Mueller names the business model: 'The concept of toxic links is made up by SEO tools so that you pay them regularly.'",
     "source_url_or_archive": "https://www.seroundtable.com/google-again-blasts-the-concept-of-toxic-links-37453.html"
    },
    {
     "date": "2026",
     "event": "The sale continues: Link Detox still sells DTOXRISK with 'For years we recommend at least a weekly review and cleanup cycle' - ten years after Penguin 4.0 removed the mechanism.",
     "source_url_or_archive": "https://smart.linkresearchtools.com/new/link-detox"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Penguin now devalues spam by adjusting ranking based on spam signals, rather than affecting ranking of the whole site.",
     "source": "Google blog, Penguin 4.0 announcement, 2016-09-23",
     "url_or_archive": "verified live 2026-08-09 (Google Webmaster Central blog)",
     "tier": "T1"
    },
    {
     "quote": "The concept of toxic links is made up by SEO tools so that you pay them regularly.",
     "source": "John Mueller, Reddit r/TechSEO, May 2024 (quote verbatim in live SER coverage)",
     "url_or_archive": "https://www.seroundtable.com/google-again-blasts-the-concept-of-toxic-links-37453.html",
     "tier": "T1"
    },
    {
     "quote": "most sites will not need to use this tool",
     "source": "Google disavow support doc, which also warns misuse 'can potentially harm your site's performance'",
     "url_or_archive": "https://support.google.com/webmasters/answer/2648487",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Semrush Backlink Audit Toxicity Score wired to the disavow workflow - score recalculates 'if you confirm that you have disavowed toxic backlinks in Google Disavow Tool'.",
     "url_or_archive": "https://www.semrush.com/kb/1163-do-whitelisted-backlinks-impact-your-overall-toxicity-score",
     "dated": "2026-08-09 (fetched live)"
    },
    {
     "artifact": "Link Detox live page: 'Find toxic links that harm your website' / 'at least a weekly review and cleanup cycle' / 'Don't risk a penalty - act now'.",
     "url_or_archive": "https://smart.linkresearchtools.com/new/link-detox",
     "dated": "2026-08-09 (fetched live)"
    }
   ],
   "what_remains_true": "Disavow retains one narrow legitimate use - cleanup after a genuine manual action for manipulative links - which is exactly the boundary Google's own tool documentation draws.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 4,
   "anchor": "schema-ai",
   "claim": "Schema markup gets you cited by AI",
   "origin_class": "VENDOR-ORIGIN",
   "accelerant": "misquote (Bing-only 'understand' quote stretched to all engines; correlational 3x garbled into causation)",
   "verdict_markers": [],
   "origin_year": 2023,
   "origin_document": {
    "description": "Schema App (enterprise schema SaaS), 'The Future of Search: AI, Machine Learning & Schema Markup', last-modified 2023-03-08, first Wayback capture 2023-03-11 - the pitch dated weeks after Bard's announcement and years before any citation data existed in either direction.",
    "url": "https://www.schemaapp.com/schema-markup/the-future-of-search-ai-machine-learning-schema-markup/",
    "archive_url_or_id": "https://web.archive.org/web/20230311164200/https://www.schemaapp.com/schema-markup/the-future-of-search-ai-machine-learning-schema-markup/"
   },
   "waypoints": [
    {
     "date": "2023-03-11",
     "event": "First Wayback capture of the vendor pitch: schema markup positioned for 'an era of AI-powered search' with zero outcome evidence.",
     "source_url_or_archive": "https://web.archive.org/web/20230311164200/https://www.schemaapp.com/schema-markup/the-future-of-search-ai-machine-learning-schema-markup/"
    },
    {
     "date": "2024-07-18",
     "event": "The pitch hardens into an offering: schema rebranded as a 'Content Knowledge Graph data platform' that makes you 'AI-ready' (first capture of the LLM pitch page).",
     "source_url_or_archive": "https://web.archive.org/web/20240718030643/https://www.schemaapp.com/schema-markup/how-to-leverage-your-content-knowledge-graph-for-llms-like-chatgpt/"
    },
    {
     "date": "2025-03-20",
     "event": "Fabrice Canel (Microsoft Bing) at SMX Munich: schema 'helps Microsoft's LLMs understand your content' - the same article carries the caveat the industry deleted about Google/OpenAI/Perplexity.",
     "source_url_or_archive": "https://searchengineland.com/microsoft-bing-copilot-use-schema-for-its-llms-453455"
    },
    {
     "date": "2026-05-11",
     "event": "Ahrefs' interventional follow-up (1,885 pages vs matched controls) finds zero lift anywhere and a significant decline on AI Overviews.",
     "source_url_or_archive": "https://ahrefs.com/blog/schema-ai-citations/"
    },
    {
     "date": "2026-06-08",
     "event": "Same vendor pitch still live and captured post-null-study, unchanged in thrust.",
     "source_url_or_archive": "https://web.archive.org/web/20260608211326/https://www.schemaapp.com/schema-markup/how-to-leverage-your-content-knowledge-graph-for-llms-like-chatgpt/"
    }
   ],
   "kill_receipts": [
    {
     "quote": "There's also no special schema.org structured data that you need to add.",
     "source": "Google AI features documentation (AIO eligibility = 'indexed and eligible to be shown... with a snippet')",
     "url_or_archive": "https://developers.google.com/search/docs/appearance/ai-features",
     "tier": "T1"
    },
    {
     "quote": "AI Overviews -4.6% (statistically significant decline); AI Mode +2.4%; ChatGPT +2.2% (both within noise).",
     "source": "Ahrefs schema-to-AI-citation interventional null, 2026-05-11 (Linehan & Guan; 1,885 pages adding JSON-LD vs 3 matched controls each, matched difference-in-differences)",
     "url_or_archive": "https://ahrefs.com/blog/schema-ai-citations/",
     "tier": "T2"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Schema App's LLM knowledge-graph pitch selling Schema App Editor / Entity Hub / Schema Performance Analytics as the way to be 'AI-ready', captured post-null-study.",
     "url_or_archive": "https://web.archive.org/web/20260608211326/https://www.schemaapp.com/schema-markup/how-to-leverage-your-content-knowledge-graph-for-llms-like-chatgpt/",
     "dated": "2026-06-08 (capture)"
    },
    {
     "artifact": "aeo-rankings.com league table of 'JSON-LD types that most often earn AI Overview citations', citing an unlinked 'AirOps study' while ranking AEO tools it monetises.",
     "url_or_archive": "https://aeo-rankings.com",
     "dated": "2026-08-09 (fetched live)"
    }
   ],
   "what_remains_true": "Structured data still does what it always did - rich-result eligibility and machine-readable clarity, and Bing's Fabrice Canel says it helps Microsoft's LLMs understand content - but the only controlled study found no AI-citation lift and a significant decline on AI Overviews.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 5,
   "anchor": "fake-qrg",
   "claim": "The June 2026 rater-guideline update added a Synthetic Authority flag",
   "origin_class": "VENDOR-ORIGIN",
   "accelerant": "fabrication subtype (an AEO seller's automated pipeline hallucinated a Google update to sell against)",
   "verdict_markers": [],
   "origin_year": 2026,
   "origin_document": {
    "description": "pravinkumar.co (Webflow AEO freelancer, Bengaluru), 'Why Google's June 2026 Quality Rater Guidelines Update Matters for Webflow AEO', published 2026-06-20/21 - claims Google 'quietly updated' the QRG on June 12, 2026 with a 'Synthetic Authority' flag; sole cited source is a phantom Search Engine Land analysis; invented update date is the one-year anniversary to the day of the essay that coined the phrase.",
    "url": "https://www.pravinkumar.co/blog/google-june-2026-quality-rater-guidelines-webflow-aeo-2026",
    "archive_url_or_id": "archive.today submission lodged 2026-08-09 (accepted 302, capture propagating); Wayback blog-index captures 2026-04-22 and 2026-05-10 receipt the pipeline cadence"
   },
   "waypoints": [
    {
     "date": "2025-06-12",
     "event": "Jono Alderson's essay 'The Rise of Synthetic Authority' published on advancedwebranking.com - explicitly speculative futurism making zero claims of any Google flag, rating or guideline change.",
     "source_url_or_archive": "https://www.advancedwebranking.com (essay; fetched 2026-08-09)"
    },
    {
     "date": "2025-06-17",
     "event": "The same essay republished on jonoalderson.com.",
     "source_url_or_archive": "https://jonoalderson.com (fetched 2026-08-09)"
    },
    {
     "date": "2026-06-20",
     "event": "The fabrication event: pravinkumar.co converts the phrase into an official Google flag with a date, three invented section numbers, a phantom SEL citation and an audit CTA.",
     "source_url_or_archive": "https://www.pravinkumar.co/blog/google-june-2026-quality-rater-guidelines-webflow-aeo-2026"
    },
    {
     "date": "2026-08-07",
     "event": "The normalizer: broworks.net headline invents 'Google's 2026 Search Quality Rater Guidelines' while the body describes the real January-2025 spam-category changes - cover traffic for the fabrication.",
     "source_url_or_archive": "https://www.broworks.net (fetched 2026-08-09)"
    }
   ],
   "kill_receipts": [
    {
     "quote": "General Guidelines — September 11, 2025",
     "source": "The real Search Quality Rater Guidelines PDF title page; zero hits for 'Synthetic Authority' in a full binary scan of the 182-page/8.97MB PDF; fabricated sections 5.2/5.4 are actually 'Low Quality Main Content' and 'Mildly Negative Reputation'",
     "url_or_archive": "https://static.googleusercontent.com/media/guidelines.raterhub.com/en//searchqualityevaluatorguidelines.pdf",
     "tier": "T1"
    },
    {
     "quote": "sole cited source: a 'Search Engine Land June 2026 analysis' - which does not exist",
     "source": "Site-scoped search of Search Engine Land: most recent QRG articles are 2026-01-02 and the 2025-09-11 update coverage; nothing in June 2026",
     "url_or_archive": "documented absence, logged 2026-08-09",
     "tier": "T4"
    }
   ],
   "circulates_today": [
    {
     "artifact": "The pravinkumar.co article live with contact-form CTA offering to 'audit your Webflow site against the new QRG' and an unverifiable in-body '47%' improvement metric.",
     "url_or_archive": "https://www.pravinkumar.co/blog/google-june-2026-quality-rater-guidelines-webflow-aeo-2026",
     "dated": "2026-08-09 (fetched live)"
    }
   ],
   "what_remains_true": "The real QRG exists and was genuinely updated on 2025-09-11 (a minor update), and Alderson's essay is legitimate speculative writing that claims no Google policy - everything specific to a 'June 2026 update' is invented.",
   "dead_origin_documents": [
    "Phantom citation: 'Search Engine Land June 2026 analysis' - never published; site-scoped search (2026-08-09) finds no June-2026 QRG article on SEL. The fabricated article's sole source never existed."
   ]
  },
  {
   "exhibit": 6,
   "anchor": "eeat-score",
   "claim": "Google computes an E-E-A-T score that your site can audit and improve",
   "origin_class": "MISQUOTE-ORIGIN",
   "accelerant": "reification (a rater training rubric resold as a computable site attribute)",
   "verdict_markers": [],
   "origin_year": 2018,
   "origin_document": {
    "description": "The Search Quality Rater Guidelines rubric (E-A-T term present in the 2014 version; full QRG public 2015-11) - a rubric for human raters whose ratings benchmark the algorithm and touch no individual site - reified into an audit product at the 2018-08-01 'Medic' core update.",
    "url": "https://static.googleusercontent.com/media/guidelines.raterhub.com/en//searchqualityevaluatorguidelines.pdf",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2014",
     "event": "E-A-T coined in the Search Quality Rater Guidelines as a rubric for human raters (present in the 2014 version).",
     "source_url_or_archive": null
    },
    {
     "date": "2015-11",
     "event": "The full QRG is made public.",
     "source_url_or_archive": null
    },
    {
     "date": "2018-08-01",
     "event": "The 'Medic' core update: the industry christens it 'the E-A-T update' and E-A-T audits appear as a product within weeks.",
     "source_url_or_archive": null
    },
    {
     "date": "2019-02",
     "event": "Google's 'How Google Fights Disinformation' whitepaper hands the myth its best sentence - quoted in a thousand audit decks, always without the neighbouring bullets naming PageRank and stating rater ratings 'do not affect the ranking of any individual website'.",
     "source_url_or_archive": "https://storage.googleapis.com/gweb-uniblog-publish-prod/documents/How_Google_Fights_Disinformation.pdf"
    },
    {
     "date": "2019-10",
     "event": "Gary Illyes at Pubcon: there is no internal E-A-T or YMYL score - E-A-T is a concept letting humans sanity-check 'millions of \"baby algorithms\"'; audits continue.",
     "source_url_or_archive": "https://www.wordtracker.com/blog/search-news/google-says-there-is-no-single-e-a-t-internal-score (2019-10-15)"
    },
    {
     "date": "2022-12-15",
     "event": "Google adds Experience ('E-A-T gets an extra E') and the audit industry re-badges the identical deliverable overnight - the product tracks Google's vocabulary, not Google's systems.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2022/12/google-raters-guidelines-e-e-a-t"
    },
    {
     "date": "2024",
     "event": "The 2024 leak's 14,014 attributes contain no aggregate E-E-A-T field; the deliverable does not change.",
     "source_url_or_archive": null
    },
    {
     "date": "2026",
     "event": "The imaginary number is fully productized: an entire tool category of 'E-E-A-T score calculators' and freemium graders, including AI-era rebadges.",
     "source_url_or_archive": "https://leadwalnut.com/blog/eeat-score-calculators-review"
    }
   ],
   "kill_receipts": [
    {
     "quote": "While E-E-A-T itself isn't a specific ranking factor, using a mix of factors that can identify content with good E-E-A-T is useful.",
     "source": "Google, Creating Helpful Content documentation",
     "url_or_archive": "https://developers.google.com/search/docs/fundamentals/creating-helpful-content",
     "tier": "T1"
    },
    {
     "quote": "The resulting ratings do not affect the ranking of any individual website.",
     "source": "Google, 'How Google Fights Disinformation' whitepaper, Feb 2019 - three bullets below the sentence the audit industry quotes",
     "url_or_archive": "https://storage.googleapis.com/gweb-uniblog-publish-prod/documents/How_Google_Fights_Disinformation.pdf (canonical blog.google URL now 404; Wayback 20191216224533)",
     "tier": "T1"
    },
    {
     "quote": "no internal E-A-T or YMYL score",
     "source": "Gary Illyes, Pubcon Q&A via Marie Haynes' live-tweets; Wordtracker write-up 2019-10-15",
     "url_or_archive": "https://www.wordtracker.com/blog/search-news/google-says-there-is-no-single-e-a-t-internal-score",
     "tier": "T3"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Expert SEO Consulting 'E-E-A-T Auditor' freemium grader: 'How your content scores across all four E-E-A-T dimensions... Strong E-E-A-T signals help your content rank higher... 3 free audits remaining. Upgrade for unlimited access.'",
     "url_or_archive": "https://web.archive.org/web/20260422170412/https://expertseoconsulting.com/eeat-audit/",
     "dated": "2026-04-22 (capture; live-verified 2026-08-09)"
    },
    {
     "artifact": "Category roundup: LeadWalnut 'Top E-E-A-T Score Calculators & Audit Tools of 2026'; siblings EEATix, inSites, iNet Ventures 'EEAT Signals Checker'; seogrow.co 'E-E-A-T Audit Software: Trust Signal Analysis for AI Search'.",
     "url_or_archive": "https://leadwalnut.com/blog/eeat-score-calculators-review",
     "dated": "2026 (fetched 2026-08-09)"
    }
   ],
   "what_remains_true": "E-E-A-T is a real Google rater rubric and a useful description of content qualities Google's mix of factors tries to identify - what does not exist is any computable score, so nothing can audit or raise one.",
   "dead_origin_documents": [
    "Google's 2019 disinformation whitepaper at its canonical URL (blog.google/documents/33/HowGoogleFightsDisinformation.pdf) - returns 404, verified 2026-08-09; live Google mirror at storage.googleapis.com/gweb-uniblog-publish-prod/documents/How_Google_Fights_Disinformation.pdf; Wayback 20191216224533."
   ]
  },
  {
   "exhibit": 7,
   "anchor": "core-web-vitals",
   "claim": "Fix Core Web Vitals to fix (recover) your rankings",
   "origin_class": "MISQUOTE-ORIGIN",
   "accelerant": null,
   "verdict_markers": [
    "circulates as the opposite of its own source (circulates as the opposite of its own origin document)"
   ],
   "origin_year": 2020,
   "origin_document": {
    "description": "Google itself, 2020-05-28, 'Evaluating page experience for a better web' (Search Central blog) - a real ranking announcement whose own third paragraph carries the hedge the industry deleted; the signal was pre-announced ~12 months out, the longest audit-sales window Google ever gifted an industry.",
    "url": null,
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2020-05-28",
     "event": "Born hedged: 'we will prioritize pages with the best information overall, even if some aspects of page experience are subpar. A good page experience doesn't override having great, relevant content.' - the tiebreaker framing is the origin text.",
     "source_url_or_archive": "Google Search Central blog, 'Evaluating page experience for a better web' (fetched 2026-08-09)"
    },
    {
     "date": "2021-04-19",
     "event": "Google pre-deflates before launch: 'page experience remains one of many factors our systems take into account. Given this, sites generally should not expect drastic changes' - and the correction changes nothing at the point of sale.",
     "source_url_or_archive": "Google Search Central blog, 'More time, tools, and details on the page experience update' (fetched 2026-08-09)"
    },
    {
     "date": "2021-06",
     "event": "The page experience signal rolls out gradually from mid-June 2021.",
     "source_url_or_archive": null
    },
    {
     "date": "2023-04-28",
     "event": "The quiet delisting: Google removes page experience from its 'ranking systems' page entirely.",
     "source_url_or_archive": "Search Engine Land 395885; Search Engine Roundtable 35264 (both 2023-04-28)"
    },
    {
     "date": "2026",
     "event": "The rank-recovery rebadge persists at the point of sale, with flagship 'proof' cases (Rakuten et al.) being conversion/UX wins narrated as SEO wins.",
     "source_url_or_archive": null
    }
   ],
   "kill_receipts": [
    {
     "quote": "Google Search always seeks to show the most relevant content, even if the page experience is sub-par.",
     "source": "Google page experience documentation (which also says good CWV 'doesn't guarantee that your pages will rank at the top' and perfect scores 'may not be the best use of your time')",
     "url_or_archive": "https://developers.google.com/search/docs/appearance/page-experience",
     "tier": "T1"
    },
    {
     "quote": "A good page experience doesn't override having great, relevant content.",
     "source": "Google, 'Evaluating page experience for a better web', 2020-05-28 - the hedge in the origin document itself",
     "url_or_archive": "Google Search Central blog (fetched 2026-08-09)",
     "tier": "T1"
    },
    {
     "quote": "sites generally should not expect drastic changes",
     "source": "Google, 'More time, tools, and details on the page experience update', 2021-04-19",
     "url_or_archive": "Google Search Central blog (fetched 2026-08-09)",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "NitroPack homepage: 'Boost your SEO rankings' as first listed benefit, 'the #1 tool for passing Core Web Vitals', 'Join 281,000+ who chose NitroPack'.",
     "url_or_archive": "https://web.archive.org/web/20260101013926/https://nitropack.io/",
     "dated": "2026-01-01 (capture; live page matches, verified 2026-08-09)"
    }
   ],
   "what_remains_true": "Speed and UX work is real, measurable engineering with genuine conversion value, and page experience matters as a tiebreaker between similar pages - what the origin document itself denies is CWV as a rank-recovery lever.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 8,
   "anchor": "ai-content-penalty",
   "claim": "Google penalizes AI content",
   "origin_class": "MISQUOTE-ORIGIN",
   "accelerant": null,
   "verdict_markers": [],
   "origin_year": 2022,
   "origin_document": {
    "description": "John Mueller, Google SEO office-hours hangout, 2022-04-01 - a hedged category call under the old automatically-generated-content guideline ('for us it's still automatically-generated content... So we would consider that to be spam'), absolutized by trade press within seven days and formally inverted by Google policy on 2023-02-08.",
    "url": "https://www.searchenginejournal.com/google-says-ai-generated-content-is-against-guidelines/444916/",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2022-04-01",
     "event": "Mueller's hangout answer files GPT-3 tools under the existing automatically-generated-content guideline, with the hedge 'My suspicion is maybe the quality of content is a little bit better than the really old school tools...'",
     "source_url_or_archive": "https://www.searchenginejournal.com/google-says-ai-generated-content-is-against-guidelines/444916/"
    },
    {
     "date": "2022-04-08",
     "event": "The Next Web headline absolutizes it: 'Google says it classifies AI-generated content as spam' - a conditional guideline-category answer becomes a categorical origin-based penalty in seven days.",
     "source_url_or_archive": "https://thenextweb.com/news/google-says-it-classifies-ai-generated-content-as-spam"
    },
    {
     "date": "2022-04",
     "event": "Still in April 2022 Google's guideline example is reworded to 'automatically generated content intended to manipulate search rankings' (per positional.com's dated history of the guideline).",
     "source_url_or_archive": null
    },
    {
     "date": "2022-11",
     "event": "Originality.ai launches (weeks before ChatGPT), selling AI detection to publishers on Google-risk framing.",
     "source_url_or_archive": null
    },
    {
     "date": "2023-02-08",
     "event": "Google formally inverts the frame: 'Rewarding high-quality content, however it is produced' - and the vendors' pitch changes not at all.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2023/02/google-search-and-ai-content"
    },
    {
     "date": "2024-03",
     "event": "Originality.ai narrates Google's origin-agnostic spam sweep as an AI purge via EIN Presswire ('100% of Websites Deindexed by Google's Update Showed Signs of Using AI') - measured with its own detector; only 51 of 175 sites were 95%+ AI.",
     "source_url_or_archive": "https://www.einnews.com/pr_news/694289327/ (headline); https://originality.ai/can-google-detect-penalize-ai-content"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Rewarding high-quality content, however it is produced",
     "source": "Google Search Central blog, 2023-02-08 (same post: 'Using automation—including AI—to generate content with the primary purpose of manipulating ranking… is a violation')",
     "url_or_archive": "https://developers.google.com/search/blog/2023/02/google-search-and-ai-content",
     "tier": "T1"
    },
    {
     "quote": "the use of Generative AI tools alone does not determine the level of effort or Page Quality rating",
     "source": "Google Search Quality Rater Guidelines (rater-guideline disclaimer of the penalty the humanizer SaaS shelf prices against)",
     "url_or_archive": "https://static.googleusercontent.com/media/guidelines.raterhub.com/en//searchqualityevaluatorguidelines.pdf",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "BypassGPT (humanizer SaaS): 'Google can still flag AI content as spam but BypassGPT lets you publish AI-written blogs without SEO penalties... Avoid being penalized on SERPs using humanized AI blogs.' Category siblings: HIX Bypass, Netus.ai, Rewritify, AIHumanize, GPTHuman, BypassAI.",
     "url_or_archive": "https://web.archive.org/web/20260730225932/https://www.bypassgpt.ai/",
     "dated": "2026-07-30 (capture)"
    },
    {
     "artifact": "Originality.ai's evergreen 'Can Google Detect & Penalize AI Content' page - the detection side of the two-sided fear market.",
     "url_or_archive": "https://originality.ai/can-google-detect-penalize-ai-content",
     "dated": "2026-08-09 (fetched live)"
    }
   ],
   "what_remains_true": "Scaled content abuse is genuinely policed - origin-agnostically: using automation (including AI) with the primary purpose of manipulating rankings is a violation, while quality content is rewarded 'however it is produced'.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 9,
   "anchor": "meta-keywords",
   "claim": "The meta keywords tag helps your Google rankings",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "temporal + cross-engine (a true 1996 sentence about Infoseek/AltaVista carried forward in the present tense and reassigned to Google)",
   "verdict_markers": [
    "TRUE THEN, OUTDATED NOW, class archetype",
    "LOW-COST HEDGE)"
   ],
   "origin_year": 1996,
   "origin_document": {
    "description": "Infoseek and AltaVista engine instructions, early 1996 - 'both were offering it in early 1996' (attested by Danny Sullivan, 'Death Of A Meta Tag', 2002-10-01, archived); the W3C May-1996 Distributed Indexing/Searching Workshop deliberately declined to define the tag, so it was engine-vendor convention from birth, never a web standard.",
    "url": "http://www.searchenginewatch.com/sereport/02/10-meta.html",
    "archive_url_or_id": "https://web.archive.org/web/20030207082526/http://www.searchenginewatch.com/sereport/02/10-meta.html"
   },
   "waypoints": [
    {
     "date": "1996",
     "event": "Infoseek and AltaVista are both honouring the meta keywords tag in early 1996; Inktomi/HotBot adds support mid-1996 (attested Sullivan 2002).",
     "source_url_or_archive": "https://web.archive.org/web/20030207082526/http://www.searchenginewatch.com/sereport/02/10-meta.html"
    },
    {
     "date": "1996-05",
     "event": "The W3C Distributed Indexing/Searching Workshop defines meta robots and description but 'the meta keywords tag was NOT defined'.",
     "source_url_or_archive": "https://www.w3.org/Search/9605-Indexing-Workshop/"
    },
    {
     "date": "1997-12-18",
     "event": "HTML 4.0 immortalises the tag as the spec's illustration ('vacation, Greece, sunshine') without ever giving it a normative definition.",
     "source_url_or_archive": "https://www.w3.org/TR/REC-html40-971218/struct/global.html"
    },
    {
     "date": "1998",
     "event": "Death begins quietly: 'Lycos quietly dropped its support of the tag in 1998, and newer search engines such as Google and FAST never added support at all.'",
     "source_url_or_archive": "https://web.archive.org/web/20030207082526/http://www.searchenginewatch.com/sereport/02/10-meta.html"
    },
    {
     "date": "1999-01-17",
     "event": "The advice era canonises it - Search Engine Watch (capture): 'Definitely add meta description and meta keyword tags to your web pages. Some search engines will give you a boost if you have them.'",
     "source_url_or_archive": "https://web.archive.org/web/19990117002659/http://www.searchenginewatch.com/webmasters/meta.html"
    },
    {
     "date": "1999-10-12",
     "event": "Contemporaneous proof Google never read it: SEW's features matrix lists 'Excite, Google, Lycos, NLight' as NOT supporting meta keywords - Google filed among the non-readers in its first year.",
     "source_url_or_archive": "https://web.archive.org/web/19991012050946/http://searchenginewatch.com/webmasters/features.html"
    },
    {
     "date": "2000-08-17",
     "event": "The inventor fights its own tag's folklore - AltaVista help: \"'Keyword' is a misnomer... those words are worth little more than any other word in the main text of the page. There is nothing 'key' about it.\"",
     "source_url_or_archive": "https://web.archive.org/web/20000817011756/http://doc.altavista.com:80/adv_search/ast_haw_metatags.html"
    },
    {
     "date": "2002-07",
     "event": "AltaVista drops support for the tag ('in July, the company says').",
     "source_url_or_archive": "https://web.archive.org/web/20030207082526/http://www.searchenginewatch.com/sereport/02/10-meta.html"
    },
    {
     "date": "2002-10-01",
     "event": "The obituary: Sullivan's 'Death Of A Meta Tag' carries AltaVista's Glick ('high incidence of keyword repetition and spam made it an unreliable indication') and Inktomi's Norton - every engine that honoured the tag has dropped or downplayed it, seven years before Google says a word.",
     "source_url_or_archive": "https://web.archive.org/web/20030207082526/http://www.searchenginewatch.com/sereport/02/10-meta.html"
    },
    {
     "date": "2009-09-21",
     "event": "Google finally writes it down: 'Google does not use the keywords meta tag in web ranking' (Matt Cutts, Search Quality Team).",
     "source_url_or_archive": "https://developers.google.com/search/blog/2009/09/google-does-not-use-keywords-meta-tag"
    },
    {
     "date": "2011-10-14",
     "event": "The Bing wrinkle - from signal to tell: Duane Forrester says 'Abusing meta keywords can hurt you'; Sullivan after checking with Bing: used 'as a signal for finding spammers, not for improving rank'.",
     "source_url_or_archive": "https://searchengineland.com/the-meta-keywords-tag-lives-at-bing-why-only-spammers-should-use-it-96874"
    },
    {
     "date": "2026",
     "event": "The field still ships: AIOSEO documents its (default-disabled) meta keywords feature for Yandex users (doc updated 2026-05-29) and a WordPress plugin updated the week of 2026-08-09 still claims 'every little bit helps'.",
     "source_url_or_archive": "https://web.archive.org/web/20260809074054/https://aioseo.com/docs/keyword-settings/"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Google doesn't use the keywords meta tag in our web search ranking.",
     "source": "Google, 'Google does not use the keywords meta tag in web ranking', Matt Cutts, 2009-09-21 - the 17-year-old post now wears a banner reconfirming its own headline ('However Google still doesn't support the keywords meta tag')",
     "url_or_archive": "https://developers.google.com/search/blog/2009/09/google-does-not-use-keywords-meta-tag (original blogspot capture: https://web.archive.org/web/20091230080422/http://googlewebmastercentral.blogspot.com/2009/09/google-does-not-use-keywords-meta-tag.html)",
     "tier": "T1"
    },
    {
     "quote": "The meta-keyword tag is not used by Google Search, and it has no effect on indexing and ranking at all.",
     "source": "Google's live supported-tags reference (last updated 2025-12-10)",
     "url_or_archive": "https://developers.google.com/search/docs/crawling-indexing/special-tags (archive pin: https://web.archive.org/web/20260802220001/)",
     "tier": "T1"
    },
    {
     "quote": "meta keywords is a signal. One of roughly a thousand we analyze. Getting it right is a nice perk for us, but won't rock your world. Abusing meta keywords can hurt you.",
     "source": "Duane Forrester (Bing), July 2011 WebmasterWorld statement carried verbatim in Sullivan's SEL article, 2011-10-14",
     "url_or_archive": "https://searchengineland.com/the-meta-keywords-tag-lives-at-bing-why-only-spammers-should-use-it-96874",
     "tier": "T1"
    },
    {
     "quote": "There is nothing 'key' about it.",
     "source": "AltaVista's own help pages, 2000-08-17, while still indexing the tag",
     "url_or_archive": "https://web.archive.org/web/20000817011756/http://doc.altavista.com:80/adv_search/ast_haw_metatags.html",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "All in One SEO ('3,000,000+ Professionals') still ships Meta Keywords as a feature in 2026, disabled by default, documented for 'our Russian users' via Yandex (doc last updated 2026-05-29).",
     "url_or_archive": "https://web.archive.org/web/20260809074054/https://aioseo.com/docs/keyword-settings/",
     "dated": "2026-08-09 (archived this run)"
    },
    {
     "artifact": "'META TAGS for SEO' WordPress plugin (700+ installs, updated week of 2026-08-09): 'META Keywords play a helpful part in communicating your message and attracting searchers to your site. And in the competitive world of search engine marketing, every little bit helps.'",
     "url_or_archive": "https://web.archive.org/web/20260809074118/https://wordpress.org/plugins/meta-tags-for-seo/",
     "dated": "2026-08-09 (archived this run)"
    },
    {
     "artifact": "Yandex live webmaster documentation still lists keywords among meta tags the robot considers: 'Can influence the page's relevance to search queries.' - the load-bearing wall under every 2026 meta-keywords feature.",
     "url_or_archive": "https://web.archive.org/web/20260809074211/https://yandex.com/support/webmaster/en/controlling-robot/metatags",
     "dated": "2026-08-09 (archived this run)"
    }
   ],
   "what_remains_true": "The tag was real and really worked on 1996-2002 engines that no longer exist; today the one documented sliver is Yandex ('can influence' relevance), the meta description next door is still worth writing for the snippet, and on Google the keywords tag has never done anything in the engine's lifetime.",
   "dead_origin_documents": [
    "Danny Sullivan, 'Death Of A Meta Tag' (The Search Engine Report, 2002-10-01) - the record-of-origin for meta-keywords engine support - 404 at searchenginewatch.com; archive-only at https://web.archive.org/web/20030207082526/http://www.searchenginewatch.com/sereport/02/10-meta.html",
    "Infoseek's own 1996 help-page instructions - never captured (earliest Wayback crawls post-date mid-1996); early-1996 adoption rests on Sullivan 2002 as dated contemporaneous-secondary."
   ]
  },
  {
   "exhibit": 10,
   "anchor": "backlinks-number-one",
   "claim": "Backlinks are still the #1 ranking factor",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "misquote at modern root (2016 Lipattsev 'no order' answer ranked by next-morning headline)",
   "verdict_markers": [
    "TRUE THEN, OUTDATED NOW, fossilized)",
    "circulates as the opposite of its own source (circulates as the opposite of its own origin document)"
   ],
   "origin_year": 1998,
   "origin_document": {
    "description": "Brin & Page's 1998 PageRank paper - the citation graph is what made Google Google, so 'links are the #1 factor' was true at origin; the industry embalmed a 1998 fact. The modern citation everyone leans on is the misquoted 2016-03-23 Lipattsev Q&A.",
    "url": null,
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "1998",
     "event": "The Brin & Page PageRank paper: links as citation graph are the founding mechanism - the claim is true at origin.",
     "source_url_or_archive": null
    },
    {
     "date": "2016-03-23",
     "event": "WebPromo Q&A - Google's Andrey Lipattsev, asked for the top two ranking signals: 'It is content. And it's links pointing to your site.' Asked 'in that order?': 'there is no order.'",
     "source_url_or_archive": null
    },
    {
     "date": "2016-03-24",
     "event": "Search Engine Land headline the next morning: 'Now we know: Here are Google's top three search ranking factors' - the industry's memory ranks the unranked within 24 hours.",
     "source_url_or_archive": "https://searchengineland.com (article -245882, fetched 2026-08-09)"
    },
    {
     "date": "2016-09",
     "event": "Backlinko's 1M-SERP correlation study canonizes the numbers the sales decks still use ('3.8x more backlinks').",
     "source_url_or_archive": "https://backlinko.com/search-engine-ranking"
    },
    {
     "date": "2023",
     "event": "Gary Illyes at Pubcon Austin: 'I don't agree that it's the top 3 and it hasn't been for some time' + 'people overestimate the importance of links', citing a site ranking #1 with zero backlinks.",
     "source_url_or_archive": "https://www.seroundtable.com/google-links-no-longer-a-top-three-ranking-factor-36094.html"
    },
    {
     "date": "2024-04-19",
     "event": "Illyes at #serpconf2024: 'We need very few links to rank pages… Over the years we've made links less important' - followed by his own on-X walk-back 'I shouldn't have said that... I definitely shouldn't have said that'.",
     "source_url_or_archive": "https://x.com/patrickstox/status/1781349615465304466 + https://x.com/methode/status/1781357974578995315"
    },
    {
     "date": "2024-06-02",
     "event": "Google's spam-policies sentence has walked from 'an important factor' (capture 2024-03-03, two days before the March update) to 'a factor'.",
     "source_url_or_archive": "https://web.archive.org/web/20240602004223/https://developers.google.com/search/docs/essentials/spam-policies"
    },
    {
     "date": "2026-08-09",
     "event": "The sentence is gone entirely - the live Link spam section opens with no descriptive claim about links' ranking role at all (absence string-verified).",
     "source_url_or_archive": "https://developers.google.com/search/docs/essentials/spam-policies"
    }
   ],
   "kill_receipts": [
    {
     "quote": "there is no order",
     "source": "Andrey Lipattsev, Google Search Quality Senior Strategist, WebPromo Q&A, 2016-03-23 - the answer the industry ranked",
     "url_or_archive": null,
     "tier": "T1"
    },
    {
     "quote": "We need very few links to rank pages... Over the years we've made links less important.",
     "source": "Gary Illyes at #serpconf2024, 2024-04-19 (oEmbed-verified; the walk-back attempt is itself the receipt the original was candid)",
     "url_or_archive": "https://x.com/patrickstox/status/1781349615465304466",
     "tier": "T1"
    },
    {
     "quote": "Google uses links as an important factor in determining the relevancy of web pages.",
     "source": "The deleted origin-adjacent sentence: important (2024-03-03 capture) -> 'a factor' (2024-06-02 capture) -> gone entirely (live 2026-08-09)",
     "url_or_archive": "https://web.archive.org/web/20240303154028/https://developers.google.com/search/docs/essentials/spam-policies",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Backlinko's live page (Semrush-owned, updated 2025-04-14) still leads with 'the #1 result in Google has an average of 3.8x more backlinks than positions #2-#10' - the most-cited 'links = #1' number, maintained, current, correlational.",
     "url_or_archive": "https://backlinko.com/search-engine-ranking",
     "dated": "2025-04-14 (page update; fetched 2026-08-09)"
    }
   ],
   "what_remains_true": "Links still feed core ranking - Google's How Search Works page still names prominent-site links as a quality factor; the kill is on '#1', not on 'links matter'.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 11,
   "anchor": "duplicate-content",
   "claim": "Duplicate content gets your site penalised",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "folklore terminus (no first author findable; 'I have long believed' by 2004)",
   "verdict_markers": [
    "partial TRUE THEN, OUTDATED NOW (supplemental-era banishment was a real experience, 2003-2007)"
   ],
   "origin_year": 2003,
   "origin_document": {
    "description": "Two documented parents, no author: Google's own quality-guidelines sentence 'Don't create multiple pages, subdomains, or domains with substantially duplicate content' (captured 2003-02-07, listed beside cloaking and hidden text) plus the 2003 supplemental index, whose de-facto banishment made filtering feel like punishment.",
    "url": "http://www.google.com/webmasters/guidelines.html",
    "archive_url_or_id": "http://web.archive.org/web/20030207040004/http://www.google.com/webmasters/guidelines.html"
   },
   "waypoints": [
    {
     "date": "2003-02-07",
     "event": "The guideline seed captured: 'substantially duplicate content' sits between cloaking and doorway pages in Google's own quality guidelines - a crawl-hygiene instruction filed by readers under threats.",
     "source_url_or_archive": "http://web.archive.org/web/20030207040004/http://www.google.com/webmasters/guidelines.html"
    },
    {
     "date": "2003",
     "event": "Supplemental Results launch - pages 'with lower PageRank or those with more complex URLs' get a visible second-class label in the SERP.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2007/07/supplemental-goes-mainstream"
    },
    {
     "date": "2004-09-14",
     "event": "Folklore fully formed - WebmasterWorld thread opens 'I have long believed in the duplicate content penalty': existence assumed, mechanism debated, before Google has said a word about penalties either way.",
     "source_url_or_archive": "https://www.webmasterworld.com/webmaster/6612.htm"
    },
    {
     "date": "2006-12-18",
     "event": "Google's first dedicated corrective (Adam Lasnik): 'we prefer to focus on filtering rather than ranking adjustments... the worst thing that'll befall webmasters is to see the \"less desired\" version of a page shown in our index.'",
     "source_url_or_archive": "https://developers.google.com/search/blog/2006/12/deftly-dealing-with-duplicate-content"
    },
    {
     "date": "2007-04-30",
     "event": "The felt-penalty era peaks in the business press: Forbes' 'Condemned To Google Hell' presents duplicate = spam = banishment as common knowledge, with a $35,000 consultant anecdote.",
     "source_url_or_archive": "Forbes, 'Condemned To Google Hell' (Andy Greenberg, datePublished 2007-04-30, live)"
    },
    {
     "date": "2007-07-31",
     "event": "The substrate is dismantled: 'we've decided to stop labeling these URLs as Supplemental Results.' The experience that made the penalty feel real ends; the belief does not.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2007/07/supplemental-goes-mainstream"
    },
    {
     "date": "2008-09-12",
     "event": "The canonical kill document: Susan Moskwa's 'Demystifying the duplicate content penalty'.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2008/09/demystifying-duplicate-content-penalty"
    },
    {
     "date": "2011-02-24",
     "event": "The Panda conflation: the update 'designed to reduce rankings for low-quality sites... [that] copy content from other websites' is re-heard as the duplicate penalty resurrected.",
     "source_url_or_archive": "https://googleblog.blogspot.com/2011/02/finding-more-high-quality-sites-in.html"
    },
    {
     "date": "2011-05-06",
     "event": "Google's quality-assessment questions put the word itself on the record ('Does the site have duplicate, overlapping, or redundant articles...'), and Panda-hit sites self-diagnose as penalised for duplication.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2011/05/more-guidance-on-building-high-quality"
    },
    {
     "date": "2013-12-16",
     "event": "Google quantifies how normal duplication is - Cutts: 'somewhere between 25% to 30% of the content on the web is duplicative' and 'overall, duplicate content is normal and not spam'.",
     "source_url_or_archive": "https://www.youtube.com/watch?v=mQZY7EmjbMA (SEL coverage same day, live)"
    },
    {
     "date": "2021-01-31",
     "event": "Mueller, thirteen years after Moskwa: 'it's not so much that there's a negative score associated with it... In a lot of cases that's kind of normal that you have some amount of shared content across some of the pages.'",
     "source_url_or_archive": "Search Engine Journal coverage (Matt G. Southern, datePublished 2021-01-31, live)"
    },
    {
     "date": "2026-08-09",
     "event": "The standalone doc has dissolved into canonicalisation: the old help-article URL chain now 301s twice into the consolidate-duplicate-urls how-to - Google's information architecture reclassified the topic from policy to plumbing.",
     "source_url_or_archive": "https://developers.google.com/search/docs/crawling-indexing/consolidate-duplicate-urls"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Let's put this to bed once and for all, folks: There's no such thing as a 'duplicate content penalty.'",
     "source": "Susan Moskwa, Google Webmaster Trends Analyst, 'Demystifying the duplicate content penalty', 2008-09-12 - live on Google's domain 18 years on",
     "url_or_archive": "https://developers.google.com/search/blog/2008/09/demystifying-duplicate-content-penalty (fresh capture 2026-08-09: https://web.archive.org/web/20260809080108/)",
     "tier": "T1"
    },
    {
     "quote": "Duplicate content on a site is not grounds for action on that site unless it appears that the intent of the duplicate content is to be deceptive and manipulate search engine results.",
     "source": "Google help article, archive-pinned 2008-09-06 - six days before the kill post that quoted it",
     "url_or_archive": "http://web.archive.org/web/20080906061351/http://www.google.com/support/webmasters/bin/answer.py?answer=66359",
     "tier": "T1"
    },
    {
     "quote": "Some duplicate content on a site is normal and it's not a violation of Google's spam policies.",
     "source": "Google, 'What is URL canonicalization', live documentation",
     "url_or_archive": "https://developers.google.com/search/docs/crawling-indexing/canonicalization (fresh capture 2026-08-09: https://web.archive.org/web/20260809075629/)",
     "tier": "T1"
    },
    {
     "quote": "somewhere between 25% to 30% of the content on the web is duplicative",
     "source": "Matt Cutts video 'How does Google handle duplicate content?', 2013-12-16 (live on Google Search Central YouTube; SEL coverage same day)",
     "url_or_archive": "https://www.youtube.com/watch?v=mQZY7EmjbMA",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Semrush Site Audit flags 'multiple pages with 85% similarities in content' as duplicate content - an arbitrary similarity cut-off feeding 'duplicate content issues' rows in agency audit reports.",
     "url_or_archive": "https://www.semrush.com/kb/119-duplicate-content (capture 2025-12-11: https://web.archive.org/web/20251211193611/)",
     "dated": "2026-08-09 (fetched live)"
    },
    {
     "artifact": "Market Veep, 'Master SEO Duplicate Content Penalty: Steps to Fix Issues' (2025-12-01) - concedes and re-asserts the myth in one sentence and produces the unsourced 'Statistics reveal that 82% of webpages facing an SEO duplicate content penalty experience a decline in rankings within three months.'",
     "url_or_archive": "https://web.archive.org/web/20260809075628/https://www.marketveep.com/blog/master-seo-duplicate-content-penalty-steps-to-fix-issues",
     "dated": "2025-12-01 (published; archived 2026-08-09)"
    }
   ],
   "what_remains_true": "Canonicalisation, signal consolidation and the deceptive-scraping spam policy are all real - housekeeping about which URL ranks, never about whether a site is punished; the whole myth lives between those two sentences.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 12,
   "anchor": "lsi-keywords",
   "claim": "Use LSI keywords (Google runs latent semantic indexing, so feed it LSI keywords)",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "strongest form VENDOR-ORIGIN: 2015 fabricated Google endorsement (LSIGraph)",
   "verdict_markers": [
    "not TRUE THEN, OUTDATED NOW (never Google's mechanism; the science was true, the attribution never was)",
    "LOW-COST HEDGE)"
   ],
   "origin_year": 2003,
   "origin_document": {
    "description": "Google's 'Google Acquires Applied Semantics' press release, 2003-04-23 - the 'semantics' seed the acronym travelled on (the release is about advertising; CIRCA is not LSI). The real science behind the acronym: Bellcore patent US 4,839,853 (filed 1988-09-15) and the 1990 JASIS paper 'Indexing by latent semantic analysis' (5,274 citations).",
    "url": "http://www.google.com/press/pressrel/applied.html",
    "archive_url_or_id": "https://web.archive.org/web/20030430104735/http://www.google.com/press/pressrel/applied.html"
   },
   "waypoints": [
    {
     "date": "1988-09-15",
     "event": "US Patent 4,839,853 'Computer information retrieval using latent semantic structure' filed by Bell Communications Research (granted 1989-06-13).",
     "source_url_or_archive": "https://patents.google.com/patent/US4839853A/en"
    },
    {
     "date": "1990-09",
     "event": "Deerwester, Dumais, Furnas, Landauer & Harshman publish 'Indexing by latent semantic analysis' in JASIS 41(6) - real, foundational IR science.",
     "source_url_or_archive": "Crossref DOI 10.1002/(SICI)1097-4571(199009)41:6<391::AID-ASI1>3.0.CO;2-9"
    },
    {
     "date": "2003-04-23",
     "event": "The extrapolation seed: Google acquires Applied Semantics - an advertising acquisition whose 'semantics' vocabulary births 'Google runs LSI, so feed it LSI keywords'.",
     "source_url_or_archive": "https://web.archive.org/web/20030430104735/http://www.google.com/press/pressrel/applied.html"
    },
    {
     "date": "2005",
     "event": "The term is current in the trade press - Schwartz (writing 2019) calls LSI 'a topic I really have not mentioned here since 2005'.",
     "source_url_or_archive": "https://www.seroundtable.com/google-lsi-keywords-27970.html"
    },
    {
     "date": "2006-09-21",
     "event": "Dr. Edel Garcia publishes an LSI fast-track tutorial teaching actual SVD to a search-marketing readership - evidence of the term's SEO-audience currency.",
     "source_url_or_archive": "https://web.archive.org/web/20061015162010/http://www.miislita.com/information-retrieval-tutorial/latent-semantic-indexing-fast-track-tutorial.pdf"
    },
    {
     "date": "2006-10-23",
     "event": "SEOBook's glossary defines LSI, lists Quintura as a 'free LSI type keyword research tool' - LSI is already a keyword-research category, no longer an indexing algorithm.",
     "source_url_or_archive": "https://web.archive.org/web/20061023005148/http://www.seobook.com/glossary/"
    },
    {
     "date": "2008-07-12",
     "event": "The phrase becomes a product: first Wayback capture of lsikeywords.com - 'Free LSI Keyword Research - Searches Top 10 In Google For the Best Theme Keywords'; the SVD is gone.",
     "source_url_or_archive": "https://web.archive.org/web/20080729033917/http://lsikeywords.com/"
    },
    {
     "date": "2015-03-12",
     "event": "The tool era's flagship: LSIGraph first captured.",
     "source_url_or_archive": "https://web.archive.org/web/20150615053954/http://lsigraph.com/"
    },
    {
     "date": "2015-06-15",
     "event": "The fabricated endorsement (VENDOR-ORIGIN moment): LSIGraph's page states 'Google has confirmed that by using more LSI keywords, your page will typically rank better.' No such confirmation exists anywhere in the record.",
     "source_url_or_archive": "https://web.archive.org/web/20150615053954/http://lsigraph.com/"
    },
    {
     "date": "2019-07-30",
     "event": "Google's on-record kill: Mueller's 'There's no such thing as LSI keywords' tweet.",
     "source_url_or_archive": "https://web.archive.org/web/20190909171627/https://twitter.com/JohnMu/status/1156293862681468929"
    },
    {
     "date": "2021-03-03",
     "event": "The technical obituary: Montti (SEJ), quoting Slawski - LSI built for small static databases, requiring full re-indexing on new content, 'literally beyond belief and ridiculous' as a Google ranking feature.",
     "source_url_or_archive": "https://www.searchenginejournal.com/latent-semantic-indexing-wont-help-seo/240705/"
    },
    {
     "date": "2026-02-05",
     "event": "The name outlives the refutation: Backlinko's guide leads with Mueller's denial yet keeps the title 'What are LSI Keywords?' - the acronym circulates as a search query about itself.",
     "source_url_or_archive": "https://backlinko.com/hub/seo/lsi"
    }
   ],
   "kill_receipts": [
    {
     "quote": "There's no such thing as LSI keywords -- anyone who's telling you otherwise is mistaken, sorry.",
     "source": "John Mueller, 2019-07-30 (tweet ID 1156293862681468929; account locked, archive-pinned; quote verbatim in live SER coverage 2019-07-31)",
     "url_or_archive": "https://web.archive.org/web/20190909171627/https://twitter.com/JohnMu/status/1156293862681468929",
     "tier": "T1"
    },
    {
     "quote": "Expired - Lifetime",
     "source": "US Patent 4,839,853 status on Google Patents - assignee trail runs Bell Communications Research to Content Analyst Co LLC (an e-discovery firm); the technique's paper trail never passes through Google",
     "url_or_archive": "https://patents.google.com/patent/US4839853A/en",
     "tier": "T1"
    },
    {
     "quote": "LSI is an older indexing approach developed for smaller static databases... One of the limitations of LSI is that if new content is added to a corpus that indexing for the entire corpus is required",
     "source": "Bill Slawski, quoted in Roger Montti, 'What Is Latent Semantic Indexing and Why It Doesn't Matter for SEO', SEJ, 2021-03-03",
     "url_or_archive": "https://www.searchenginejournal.com/latent-semantic-indexing-wont-help-seo/240705/",
     "tier": "T2"
    }
   ],
   "circulates_today": [
    {
     "artifact": "LSIGraph live: 'Semantic & LSI Keywords Generator', '10X Your Site's Traffic', '623% better' claim, plans $16.64-$49.99/mo ($699 lifetime), proprietary 'Latent Semantic Value (LSV)™' - while the same page notes 'LSIGraph is now SurgeGraph'.",
     "url_or_archive": "https://web.archive.org/web/20260606100419/https://lsigraph.com/",
     "dated": "2026-06-06 (capture; live-verified 2026-08-09)"
    },
    {
     "artifact": "Backlinko's 'What are LSI Keywords? And Do They Help With SEO?' guide - title-inertia circulation, updated 2026-02-05.",
     "url_or_archive": "https://backlinko.com/hub/seo/lsi",
     "dated": "2026-02-05 (page update; fetched 2026-08-09)"
    }
   ],
   "what_remains_true": "The 1990 science was real and foundational, and the practice the phrase gestures at survives on its own merits - covering a topic with the vocabulary it naturally requires is free, rational and exactly what Google's self-assessment asks for; the label was never Google's mechanism.",
   "dead_origin_documents": [
    "lsikeywords.com - the earliest dated artifact of 'LSI keywords' as a product (first capture 2008-07-12) - server unreachable on both schemes, DNS still resolving (curl-verified 2026-08-09); survives at https://web.archive.org/web/20080729033917/http://lsikeywords.com/"
   ]
  },
  {
   "exhibit": 13,
   "anchor": "nap-citations",
   "claim": "NAP consistency across hundreds of directories is a top local ranking factor",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "truth decay (arguably true of the 2008 local algorithm; the myth is the tense)",
   "verdict_markers": [
    "TRUE THEN, OUTDATED NOW",
    "LOW-COST HEDGE)"
   ],
   "origin_year": 2008,
   "origin_document": {
    "description": "David Mihm, 'Local Search Ranking Factors' v1, 2008-06-15 - a 20-practitioner survey whose verbatim finding ('citations which reference your business with full address information are more valuable even than anchor text, at least for the Local algorithm') was a defensible read of the pre-Pigeon 2008 algorithm, frozen into eternal doctrine.",
    "url": "https://davidmihm.com/local-search-ranking-factors-2008",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2008-06-15",
     "event": "The Mihm survey: citations 'more valuable even than anchor text' - practitioner-survey opinion about a 2008 algorithm, arguably true at origin.",
     "source_url_or_archive": "https://davidmihm.com/local-search-ranking-factors-2008"
    },
    {
     "date": "2017",
     "event": "Whitespark (which sells citation services) takes over Mihm's survey; the subscription-industrial layer (Yext PowerListings, Moz Local, BrightLocal) has made consistency a rented state through the 2010s.",
     "source_url_or_archive": "https://whitespark.ca/local-search-ranking-factors/"
    },
    {
     "date": "2026",
     "event": "The survey itself walks it down: citation weight falls to ~6-7% of pack ranking ('citations lost about half a percentage point, continuing the downward trend') - while the same 2026 report re-justifies the deliverable against AI ('three of the top five AI search visibility factors are citation-related').",
     "source_url_or_archive": "https://whitespark.ca/local-search-ranking-factors/"
    }
   ],
   "kill_receipts": [
    {
     "quote": "More reviews and positive ratings can help your business's local ranking.",
     "source": "Google's actual local ranking doc (relevance/distance/prominence) - NAP-consistency confirmed absent from the page (absence re-verified 2026-08-09)",
     "url_or_archive": "https://support.google.com/business/answer/7091",
     "tier": "T1"
    },
    {
     "quote": "citations lost about half a percentage point, continuing the downward trend",
     "source": "Whitespark Local Search Ranking Factors 2026 edition - the citation industry's own flagship survey",
     "url_or_archive": "https://whitespark.ca/local-search-ranking-factors/",
     "tier": "T3"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Listings-management subscriptions (Yext-class, per-location annual) plus the agency resale layer ('50 citations/month', 'NAP cleanup' projects) - with the hostage mechanic on record: Whitespark found ~60% of Yext-powered listings disappeared or reverted after cancellation, while Yext's help page denies pushing reverts.",
     "url_or_archive": "https://whitespark.ca/local-search-ranking-factors/ (survey); Yext help page (denial)",
     "dated": "2026-08-09 (fetched live)"
    }
   ],
   "what_remains_true": "Baseline NAP hygiene - accurate, consistent listings on the surfaces customers actually use - is real one-time work; what died is citations as a top local ranking factor, now single digits and falling in the industry's own survey.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 14,
   "anchor": "bounce-rate",
   "claim": "Bounce rate (the Google Analytics metric) is a Google ranking factor",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "single-site correlation declared as confirmation, hardening into FOLKLORE",
   "verdict_markers": [
    "not TRUE THEN, OUTDATED NOW (never true; denied within 32 days)",
    "not LOW-COST HEDGE (the causal ranking claim is the entry)"
   ],
   "origin_year": 2008,
   "origin_document": {
    "description": "'Confirmed: Bounce Rate is A Search Engine Ranking Factor', SEO Black Hat, 2008-11-21 (author posting as QuadsZilla) - one site, three Analytics screenshots, and a Google Analytics help paragraph about ads substituted for organic in the founding text ('you can substitute \"ad copy\" with \"SERP preview\" for organic results').",
    "url": "http://seoblackhat.com/2008/11/21/bounce-rate-seo/",
    "archive_url_or_id": "https://web.archive.org/web/20090106010959/http://seoblackhat.com/2008/11/21/bounce-rate-seo/"
   },
   "waypoints": [
    {
     "date": "2005-03-28",
     "event": "Google agrees to acquire Urchin Software - the ancestry of the metric.",
     "source_url_or_archive": "https://web.archive.org/web/20050331023138/http://www.google.com/press/pressrel/urchin.html"
    },
    {
     "date": "2005-11-14",
     "event": "Google Analytics goes free - one vendor now supplies both the search engine and the dashboard on which 'bounce rate' appears in millions of accounts; nothing in either press release mentions ranking.",
     "source_url_or_archive": "https://web.archive.org/web/20051124125346/http://www.google.com/press/pressrel/analytics.html"
    },
    {
     "date": "2007-08",
     "event": "The prior speculation: Enge later dates his first published guess - 'I speculated on bounce rate as a ranking factor back in August of 2007' (attested; 2007 item not located).",
     "source_url_or_archive": "https://searchengineland.com/bounce-rate-as-a-ranking-factor-15643"
    },
    {
     "date": "2008-11-21",
     "event": "The origin post declares it 'Confirmed' from one site's three screenshots - and itself notes 'the word \"bounce\" does not even appear once in Google's Search Engine Optimization Starter Guide'.",
     "source_url_or_archive": "https://web.archive.org/web/20090106010959/http://seoblackhat.com/2008/11/21/bounce-rate-seo/"
    },
    {
     "date": "2008-12-08",
     "event": "Mainstreaming, seventeen days later - Enge on SEL: 'Don't believe that bounce rate is a serious ranking factor? You should.'",
     "source_url_or_archive": "https://web.archive.org/web/20081210001008/http://searchengineland.com/bounce-rate-as-a-ranking-factor-15643.php"
    },
    {
     "date": "2008-12-09",
     "event": "The first rebuttal, same week - David Harry: 'in no way was any form of definitive research... It is a dirty signal at best in the regular index.' The correction is as old as the claim; it lost.",
     "source_url_or_archive": "https://web.archive.org/web/20081224063023/http://www.huomah.com/Search-Engines/Algorithm-Matters/Is-Google-REALLY-using-bounce-rates-as-a-ranking-signal-.html"
    },
    {
     "date": "2008-12",
     "event": "The argument becomes a trade genre: the Sphinn 'Bounce Rate SEO Fallacies' thread collects nine objections - and Matt Cutts replies in-thread within weeks of the origin post.",
     "source_url_or_archive": "https://web.archive.org/web/20081225111203/http://sphinn.com/story/93908"
    },
    {
     "date": "2011-08-02",
     "event": "The cousin arrives from the other engine - Duane Forrester's Bing post coins the industry's dwell-time vocabulary: engine-side dwell time measured from the results page, Bing speaking about Bing; both facts stripped in transit.",
     "source_url_or_archive": "https://web.archive.org/web/20130308001705/http://www.bing.com/blogs/site_blogs/b/webmaster/archive/2011/08/02/how-to-build-quality-content.aspx"
    },
    {
     "date": "2013-01-11",
     "event": "The folklore acquires a threat model: a webmaster reports a 'bounce rate attack' - when a belief generates its own negative-SEO panic it has left the evidence stage.",
     "source_url_or_archive": "https://www.seroundtable.com/google-bounce-rate-attacks-16203.html"
    },
    {
     "date": "2016-02",
     "event": "Correlation at scale, disclaimer attached - Backlinko: 'websites with low average bounce rates are strongly correlated with higher rankings' immediately followed by 'we aren't suggesting that low bounce rates cause higher rankings'; the finding travelled, the next sentence did not.",
     "source_url_or_archive": "https://web.archive.org/web/20160221201203/http://backlinko.com/search-engine-ranking"
    },
    {
     "date": "2017-11-14",
     "event": "SEMrush's ranking-factors study lists bounce rate among analysed factors with 'Direct website visits' first - flagged on publication day by SER as factors 'Google has denied they use... completely'.",
     "source_url_or_archive": "https://www.seroundtable.com/semrush-seo-ranking-factors-2017-study-24765.html"
    },
    {
     "date": "2020-10-14",
     "event": "GA4 launches without a bounce rate metric at all.",
     "source_url_or_archive": "blog.google, 'Introducing the new Google Analytics' (datePublished verified in page JSON-LD)"
    },
    {
     "date": "2022-07-14",
     "event": "Bounce rate returns to GA4 with a different definition ('the percentage of sessions that were not engaged sessions') - the number people call bounce rate in 2026 is not the number the 2008 claim was about.",
     "source_url_or_archive": "https://www.seroundtable.com/google-analytics-4-gains-utm-term-utm-content-conversion-bounce-rate-33744.html"
    },
    {
     "date": "2023",
     "event": "US v. Google testimony (and the May 2024 leak) establish Google's own click-and-interaction logs feed re-ranking - search-side logs, not a read of any site's Analytics property, with 'bounce rate' not among the named modules (cross-referenced to the Google-vs-Google clicks annexe).",
     "source_url_or_archive": "cross-reference: 09_DRAFT_v2.md {#gvg-clicks} annexe"
    }
   ],
   "kill_receipts": [
    {
     "quote": "bounce rates would be not only spammable but noisy... 'Dude, I have no idea about any things like bounce rate. Why don't you talk to this nice Google Analytics evangelist who knows about things like bounce rate?'",
     "source": "Matt Cutts, Sphinn thread, December 2008 - replying to the origin post within weeks",
     "url_or_archive": "https://web.archive.org/web/20081225111203/http://sphinn.com/story/93908",
     "tier": "T1"
    },
    {
     "quote": "We don't use *anything* from Google analytics in the 'algo'.",
     "source": "Gary Illyes, 2017-06-26 (tweet 879362807472545792; archive pin carries text in page title)",
     "url_or_archive": "https://web.archive.org/web/20190912075316/https://twitter.com/methode/status/879362807472545792",
     "tier": "T1"
    },
    {
     "quote": "I think there's a bit of misconception here that we're looking at things like the analytics bounce rate when it comes to ranking websites, and that's definitely not the case.",
     "source": "John Mueller, Google Webmaster Central office-hours, 2020-06-12 at 25:00 (video identity confirmed via YouTube oEmbed)",
     "url_or_archive": "https://www.youtube.com/watch?v=JXxkoASrqNg&t=1500 (coverage: seroundtable.com/google-analytics-bounce-rates-for-ranking-29622.html)",
     "tier": "T1"
    },
    {
     "quote": "We don't use GA4 in ranking, but it seems like they have a lot of passionate users, so I'd recommend it.",
     "source": "John Mueller, 2021-12-16 (verified in archived tweet page title and og:description)",
     "url_or_archive": "https://web.archive.org/web/20220218061220/https://twitter.com/JohnMu/status/1471463995060142084",
     "tier": "T1"
    },
    {
     "quote": "the string 'bounce' appears zero times on the SEO Starter Guide, Search Essentials, Creating Helpful Content, and How Search Works: Ranking Results",
     "source": "Absence verified 2026-08-09 across four Google properties - eighteen years of documentation, no mention; the origin document noticed this in 2008 and published anyway",
     "url_or_archive": "https://developers.google.com/search/docs/fundamentals/seo-starter-guide (and three sibling pages)",
     "tier": "T1 (absence)"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Backlinko 'Google's 200 Ranking Factors' (updated 2025-05-15): factor #134 Bounce Rate and #141 Dwell Time - citing 'a large study by SEMRush' whose link now 301s to Semrush's AI Visibility Index.",
     "url_or_archive": "https://web.archive.org/web/20260802140106/https://backlinko.com/google-ranking-factors",
     "dated": "2026-08-02 (capture; strings verified 2026-08-09)"
    },
    {
     "artifact": "Backlinko 'Google RankBrain: The Definitive Guide' (updated 2025-04-14): dwell time stated as mechanism ('This tells Google: \"Man, people are LOVING this result. Let's bump it up a few spots\"').",
     "url_or_archive": "https://web.archive.org/web/20260712141906/https://backlinko.com/google-rankbrain-seo",
     "dated": "2026-07-12 (capture)"
    },
    {
     "artifact": "seology.ai 'Why Bounce Rate Destroys Your SEO' (dateModified 2026-07-04): 'Google uses engagement metrics like bounce rate as ranking signals' plus the sourceless 'Pages with bounce rates above 70% rank 53% lower than pages with bounce rates below 40%.'",
     "url_or_archive": "https://web.archive.org/web/20260518183105/https://seology.ai/blog/bounce-rate-reduction-tactics",
     "dated": "2026-07-04 (dateModified; capture 2026-05-18)"
    }
   ],
   "what_remains_true": "Aggregate click behaviour on Google's side of the results page is real (testimony and the 2024 leak put it beyond argument), but nothing reads your Analytics property, a high bounce is often a satisfied searcher, and GA4's bounce rate is not even the metric the 2008 claim was about.",
   "dead_origin_documents": [
    "The SEO Black Hat origin post - seoblackhat.com now serves a Bluehost parked placeholder (curl-verified 2026-08-09); the founding document survives only in Wayback: https://web.archive.org/web/20090106010959/http://seoblackhat.com/2008/11/21/bounce-rate-seo/",
    "Bing's 2011 dwell-time post - 404 at its original URL, blog path reorganised twice; archive-only (first capture 2013-03-08), and the URL shape most secondary sources cite has no captures at all.",
    "Semrush's 2017 ranking-factors study - semrush.com/ranking-factors/ 301s to Semrush's AI Visibility Index as of 2026-06-22 (confirmed live 2026-08-09; last 200-status capture 2026-04-17) - while Backlinko's live 2026 factors page still cites it as support for bounce rate."
   ]
  },
  {
   "exhibit": 15,
   "anchor": "word-count",
   "claim": "This keyword needs 2,000+ words to rank",
   "origin_class": "EXTRAPOLATION",
   "accelerant": null,
   "verdict_markers": [
    "circulates as the opposite of its own source (circulates as the opposite of its most-cited source's current text)"
   ],
   "origin_year": 2012,
   "origin_document": {
    "description": "serpIQ blog, Kevin Espiritu, 2012-04-26, 'How Important is Content Length? Why Data-Driven SEO Trumps Guru Opinions' - #1 result ~2,416 words across ~20K keywords; the original self-flags that the data 'does contain the text found in sidebars, which could inflate the data slightly' and invites readers to 'critically examine this post'.",
    "url": "http://blog.serpiq.com/how-important-is-content-length-why-data-driven-seo-trumps-guru-opinions/",
    "archive_url_or_id": "https://web.archive.org/web/20180122185932/http://blog.serpiq.com/how-important-is-content-length-why-data-driven-seo-trumps-guru-opinions/"
   },
   "waypoints": [
    {
     "date": "2012-04-26",
     "event": "The serpIQ study publishes the numbers that become 'top results are 2,000+ words' - with the sidebar-inflation caveat in the original text.",
     "source_url_or_archive": "https://web.archive.org/web/20180122185932/http://blog.serpiq.com/how-important-is-content-length-why-data-driven-seo-trumps-guru-opinions/"
    },
    {
     "date": "2016-09",
     "event": "Industrialization: Backlinko's 1M-results study - 'longer content tends to rank higher in Google's search results. The average Google first page result contains 1,890 words' - becomes the most-cited number in content-brief history.",
     "source_url_or_archive": "https://web.archive.org/web/20160903224518/http://backlinko.com/search-engine-ranking"
    },
    {
     "date": "2020",
     "event": "The silent reversal at the same URL: Backlinko replaces the study in place with the 11.8M-results version - 'word count was evenly distributed among the top 10 results. The average Google first page result contains 1,447 words.'",
     "source_url_or_archive": "https://backlinko.com/search-engine-ranking"
    },
    {
     "date": "2023",
     "event": "Danny Sullivan: 'The best word count needed to succeed in Google Search is … not a thing! It doesn't exist.'",
     "source_url_or_archive": "https://searchengineland.com/best-word-count-seo-428016"
    },
    {
     "date": "2025-01",
     "event": "Mueller on Bluesky: 'This is also why word-count itself makes so little sense.'",
     "source_url_or_archive": "https://www.seroundtable.com/google-word-count-itself-makes-so-little-sense-38767.html (2025-01-21)"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Are you writing to a particular word count because you've heard or read that Google has a preferred word count? (No, we don't.)",
     "source": "Google, Creating Helpful Content documentation",
     "url_or_archive": "https://developers.google.com/search/docs/fundamentals/creating-helpful-content",
     "tier": "T1"
    },
    {
     "quote": "We discovered that word count was evenly distributed among the top 10 results.",
     "source": "Backlinko's live page - the most-cited source for the word-count rule now contradicts the sentence it is cited for, at the same URL",
     "url_or_archive": "https://backlinko.com/search-engine-ranking",
     "tier": "T2"
    },
    {
     "quote": "The best word count needed to succeed in Google Search is … not a thing! It doesn't exist.",
     "source": "Danny Sullivan / SearchLiaison, 2023 (coverage of record)",
     "url_or_archive": "https://searchengineland.com/best-word-count-seo-428016",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Verblio per-word pricing: '$0.06/word' (AI+human, 'Ideal for SEO topics') and '$0.16/word' (100% human) - you cannot bill per word without a doctrine that words are the unit of ranking.",
     "url_or_archive": "https://web.archive.org/web/20260604172403/https://www.verblio.com/pricing",
     "dated": "2026-06-04 (capture; live-fetched 2026-08-09)"
    },
    {
     "artifact": "SERP-average word-count targets shipped as a feature in content-optimization editors - the serpIQ method productized into a subscription; HubSpot's '2,100-2,400 ideal' keeps the genre's number moving while the rule never moves.",
     "url_or_archive": null,
     "dated": "2026 (category, per trace)"
    }
   ],
   "what_remains_true": "Content should be as long as complete coverage of the topic requires - Google's own self-assessment asks for comprehensiveness and explicitly disclaims any preferred word count.",
   "dead_origin_documents": [
    "The serpIQ study - company long defunct; the founding document of the word-count rule is readable only in the Wayback Machine (https://web.archive.org/web/20180122185932/http://blog.serpiq.com/how-important-is-content-length-why-data-driven-seo-trumps-guru-opinions/), self-flagged for sidebar inflation."
   ]
  },
  {
   "exhibit": 16,
   "anchor": "schema-rankings",
   "claim": "Schema markup improves rankings",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "misquote (Mueller's 2015 future-conditional stripped of its conditional)",
   "verdict_markers": [
    "circulates as the opposite of its own source (circulates as the opposite of its own origin document's disclaimer)"
   ],
   "origin_year": 2014,
   "origin_document": {
    "description": "Searchmetrics whitepaper, April 2014, as covered by Search Engine Watch 2014-04-28: 'pages with Schema.org integration rank better by an average of four positions' - with the study's own disclaimer in the same article: 'It must be noted that this is not necessarily a causal relationship,' and the confound in the same paragraph (less than 1% of sites had the markup).",
    "url": "http://www.searchmetrics.com/en/knowledge-base/schema/",
    "archive_url_or_id": "Search Engine Watch coverage 2014-04-28, fetched via Wayback (study domain now 301s wholesale to conductor.com)"
   },
   "waypoints": [
    {
     "date": "2009-05-12",
     "event": "Prehistory - Google launches rich snippets as a display feature; the display/ranking split is drawn on day one.",
     "source_url_or_archive": "Google Search Central blog, 'Introducing Rich Snippets' (live, fetched 2026-08-09)"
    },
    {
     "date": "2011-06",
     "event": "schema.org launches.",
     "source_url_or_archive": null
    },
    {
     "date": "2014-04-28",
     "event": "The evidence-shaped seed circulates: SEW covers the Searchmetrics 'four positions' correlation with the causation disclaimer intact - the claim is born with its own refutation attached.",
     "source_url_or_archive": "Search Engine Watch, Jessica Lee, 2014-04-28 (archived capture fetched 2026-08-09)"
    },
    {
     "date": "2015-09-11",
     "event": "The misquote fuel: Mueller in a hangout - 'over time, I think it is something that might go into the rankings as well' - a conditional about the future, quoted for a decade without the might/over-time scaffolding.",
     "source_url_or_archive": "https://www.seroundtable.com (SER #20885, 'Google May Use Structured Markup For Ranking Purposes')"
    },
    {
     "date": "2024-09-19",
     "event": "Disclaimer gone, stat free-floating: pageoptimizer.pro - 'Websites using schema markup rank an average of 4 positions higher' (siblings: searchinsightsacademy.com 2025-05-22).",
     "source_url_or_archive": "https://pageoptimizer.pro (fetched 2026-08-09)"
    },
    {
     "date": "2026-01-18",
     "event": "The 2014 stat still circulating verbatim on current sales/guide pages (adonis.media), mutated upward elsewhere to 'achieve up to four positions higher' (clickmatix capture 2025-05-13).",
     "source_url_or_archive": "https://web.archive.org/web/20250513030537/https://www.clickmatix.com.au/schema-markup-guide/"
    },
    {
     "date": "2026-01-01",
     "event": "Counter-record, same period: Mueller reconfirms schema is not a ranking lever (SER, 'Mueller On If Schema Helps With LLMs & Google').",
     "source_url_or_archive": "https://www.seroundtable.com (2026-01-01, per receipts inventory)"
    }
   ],
   "kill_receipts": [
    {
     "quote": "It must be noted that this is not necessarily a causal relationship",
     "source": "Searchmetrics' own 2014 report, as quoted in the SEW coverage that spread the stat - the deleted second sentence",
     "url_or_archive": "Search Engine Watch coverage 2014-04-28 (archived; fetched 2026-08-09)",
     "tier": "T2"
    },
    {
     "quote": "A structured data manual action… doesn't affect how the page ranks in Google web search.",
     "source": "Google structured-data policies documentation",
     "url_or_archive": "https://developers.google.com/search/docs/appearance/structured-data/sd-policies",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "adonis.media (2026-01-18) and pageoptimizer.pro (2024-09-19) quoting the 12-year-old 'four positions' number as a causal promise; clickmatix.com.au inflates it to 'up to four positions higher'.",
     "url_or_archive": "https://web.archive.org/web/20250513030537/https://www.clickmatix.com.au/schema-markup-guide/",
     "dated": "2026-01-18 (adonis.media publication; fetched 2026-08-09)"
    }
   ],
   "what_remains_true": "Structured data still earns rich-result display eligibility - a real CTR surface - which is precisely the mechanism that gets narrated as ranking movement; it does not move rank, as the 2014 study itself cautioned.",
   "dead_origin_documents": [
    "The Searchmetrics whitepaper - searchmetrics.com now 301-redirects wholesale to acquirer conductor.com (checked 2026-08-09); the study link carried by the 2014 SEW article resolves to the acquirer's homepage; the disclaimer it attached is quoted nowhere while the number lives on 2026 sales pages."
   ]
  },
  {
   "exhibit": 17,
   "anchor": "gbp-posts",
   "claim": "Weekly Google Business Profile posts improve your map ranking",
   "origin_class": "EXTRAPOLATION",
   "accelerant": null,
   "verdict_markers": [
    "LOW-COST HEDGE)"
   ],
   "origin_year": 2017,
   "origin_document": {
    "description": "Joy Hawkins + Ben Fisher (Steady Demand), SEL, 2017-11-02: 'Do Google Posts impact ranking? A case study' - n=2 (a garage-flooring company and Hawkins' own church), hedged verbatim ('I think Google Posts do have a mild impact on ranking... These tests were purposely done in non-competitive industries') - plus the 'weekly' cadence born of a UI fact: posts expire from default view after seven days (SEL, 2017-07-06).",
    "url": "https://searchengineland.com/google-posts-impact-ranking-case-study-285668",
    "archive_url_or_id": "https://web.archive.org/web/20171102210050/https://searchengineland.com/google-posts-impact-ranking-case-study-285668"
   },
   "waypoints": [
    {
     "date": "2017-07-06",
     "event": "Google confirms posts 'are removed from the default view after seven days' - a content-expiry window read as algorithmic appetite; the retainer cadence is born.",
     "source_url_or_archive": "https://searchengineland.com/google-posts-removed-7-days-exception-event-posts-278420"
    },
    {
     "date": "2017-11-02",
     "event": "The ranking claim: Hawkins' n=2 case study - 'I think Google Posts do have a mild impact on ranking', caveats attached in the same breath.",
     "source_url_or_archive": "https://web.archive.org/web/20171102210050/https://searchengineland.com/google-posts-impact-ranking-case-study-285668"
    },
    {
     "date": "2018",
     "event": "Between 2018 and 2020 the hedges vanish in transmission - agency blogs standardize on 'Google Posts have a positive impact on rankings in the Local 3-Pack' (CleverClicks, citing the n=2 study) and posting quotas ship as ranking line-items worldwide.",
     "source_url_or_archive": null
    },
    {
     "date": "2021-07-26",
     "event": "The origin author kills her own myth: Sterling Sky's controlled version (3 listings, 441 keywords each, 9 weeks) - 'no measurable impact on rankings in the local pack'; the industry keeps the 2017 conclusion and ignores the 2021 correction from the identical source.",
     "source_url_or_archive": "https://www.sterlingsky.ca/do-google-posts-impact-ranking/"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Adding Google posts to Google My Business (GMB) listings had no measurable impact on rankings in the local pack",
     "source": "Sterling Sky (Joy Hawkins - the 2017 origin author), controlled test: 441 keywords per location, 9 weeks, 3 listings, weekly posts",
     "url_or_archive": "https://www.sterlingsky.ca/do-google-posts-impact-ranking/",
     "tier": "T2"
    },
    {
     "quote": "These tests were purposely done in non-competitive industries, so it might not be enough to produce movement in some scenarios.",
     "source": "The origin article's own caveat, 2017-11-02 - shipped without it for a decade",
     "url_or_archive": "https://web.archive.org/web/20171102210050/https://searchengineland.com/google-posts-impact-ranking-case-study-285668",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "W3Era GMB Management: 'A fully managed GBP improves Local Pack rankings' - tiers carrying 15/20/25/30 posts per month, 'monthly plans, starting from $399'.",
     "url_or_archive": "https://web.archive.org/web/20260607203826/https://www.w3era.com/seo/services/gmb-management/",
     "dated": "2026-06-07 (capture; fetched live 2026-08-09)"
    }
   ],
   "what_remains_true": "Posting to a profile is free and has real conversion value for the customers who see it - the dead part is the pack-ranking claim, retracted by its own originator's controlled test in 2021.",
   "dead_origin_documents": [
    "The 2017 origin article's live URL now redirects to a generic SEO guide - the founding document of the deliverable is a dead link and the deliverable outlived it; archived at https://web.archive.org/web/20171102210050/https://searchengineland.com/google-posts-impact-ranking-case-study-285668"
   ]
  },
  {
   "exhibit": 18,
   "anchor": "author-bios",
   "claim": "Add author bios to every page for E-E-A-T rankings",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "caveat amputation (the founding tweet contained its own debunk)",
   "verdict_markers": [
    "LOW-COST HEDGE)",
    "circulates as the opposite of its own source (first half of the founding tweet shipped, second amputated)"
   ],
   "origin_year": 2018,
   "origin_document": {
    "description": "Marie Haynes' tweet, 2018-08-06, in the 2018-08-01 'Medic' recovery discourse: 'While I recommend beefing up your About and author pages this doesn't make you a high E-A-T site. True E-A-T is hard to fake.' The recommendation shipped; the caveat didn't.",
    "url": "https://twitter.com/Marie_Haynes/status/1026481387463954432",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2018-08-01",
     "event": "The 'Medic' core update: QRG rater instructions about researching content creators' reputation are inverted into 'the algorithm reads author bios'; recovery checklists (The HOTH, Exposure Ninja et al.) make bios a standing deliverable within weeks.",
     "source_url_or_archive": null
    },
    {
     "date": "2018-08-06",
     "event": "Patient zero with a named date: Haynes' caveated triage advice - caveat included at birth.",
     "source_url_or_archive": "https://twitter.com/Marie_Haynes/status/1026481387463954432"
    },
    {
     "date": "2019-06-12",
     "event": "The debunk gets telephone-gamed too: SEJ's Montti reports Mueller (bios are 'a quality thing, as a user experience thing') but Montti's own editorial line - 'so easy to fake, that it makes sense to not make it a ranking signal' - circulates industry-wide as a Mueller quote.",
     "source_url_or_archive": "https://www.searchenginejournal.com/author-biography-google-ranking/312175/"
    },
    {
     "date": "2022-03-31",
     "event": "The controlled kill, ignored: SearchPilot adds byline + credentialed bio to a review site's pages, runs it twice - 'no detectable impact to the pages' organic traffic'; 'if anything, there was more likely a small negative impact than an uplift.'",
     "source_url_or_archive": "https://www.searchpilot.com/resources/case-studies/authorship-content-and-eat-signals"
    },
    {
     "date": "2026-04-30",
     "event": "The AI rebadge: 'How to Optimize About Page and Author Bios for EEAT and AI Citations' (opositive.io, upd. 2026-06-22) - same bio, third ranking system it allegedly unlocks.",
     "source_url_or_archive": "https://opositive.io/blog/how-to-optimize-about-page-and-author-bios-for-eeat-and-ai-citations"
    }
   ],
   "kill_receipts": [
    {
     "quote": "this doesn't make you a high E-A-T site. True E-A-T is hard to fake.",
     "source": "Marie Haynes' founding tweet itself, 2018-08-06 - the launch document contains its own debunk",
     "url_or_archive": "https://twitter.com/Marie_Haynes/status/1026481387463954432",
     "tier": "T1"
    },
    {
     "quote": "no detectable impact to the pages' organic traffic",
     "source": "SearchPilot authorship/E-A-T case study, 2022-03-31, run twice",
     "url_or_archive": "https://www.searchpilot.com/resources/case-studies/authorship-content-and-eat-signals",
     "tier": "T2"
    },
    {
     "quote": "Google Not Worried About Spamming & Faking Author Details In Structured Data",
     "source": "Search Engine Roundtable, 2021 - because Google doesn't use them for ranking (the genuine adjacent Google receipt; the circulating 'so easy to fake' line is Montti's editorial, not Mueller)",
     "url_or_archive": "https://www.seroundtable.com (SER 2021, per trace correction note)",
     "tier": "T3"
    }
   ],
   "circulates_today": [
    {
     "artifact": "opositive.io 'author entity optimization' for E-E-A-T and AI citations (Person schema, headshots, credential lists promised to 'boost EEAT scores' and AI citations).",
     "url_or_archive": "https://opositive.io/blog/how-to-optimize-about-page-and-author-bios-for-eeat-and-ai-citations",
     "dated": "2026-06-22 (last update; fetched 2026-08-09)"
    },
    {
     "artifact": "Plugin economy: Simple Author Box / WP Author Box ($9.99, '100,000+ Active Users'), marketed through E-E-A-T content such as 'Enhancing EEAT in Healthcare: The Role of Author Boxes'.",
     "url_or_archive": "https://wpauthorbox.com",
     "dated": "2026-08-09 (fetched live)"
    }
   ],
   "what_remains_true": "Bios and about pages are good for human readers and trust regardless - what never materialised is the algorithmic payoff, which the founding tweet itself denied and a twice-run controlled test could not detect.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 19,
   "anchor": "faq-schema",
   "claim": "You need FAQ schema to get into AI Overviews",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "zombie-feature subtype (a real, deprecated feature over-extended onto a surface it never touched)",
   "verdict_markers": [
    "feature dead (restricted 2023-08-08; fully deprecated May 2026)"
   ],
   "origin_year": 2019,
   "origin_document": {
    "description": "Google itself, 2019-05-08, 'New in structured data: FAQ and How-to' - FAQPage markup makes pages 'eligible to feature on Google Search as rich results and How-to Actions for the Assistant', with Google's own disclaimer included ('Google does not guarantee that your structured data will show up in search results'); the voice-search-optimization industry (2019-2022) is the missing link that swapped 'voice' for 'AI'.",
    "url": "https://developers.google.com/search/blog/2019/05/new-in-structured-data-faq-and-how-to",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2019-05-08",
     "event": "The seed: Google's launch legitimately couples markup to machine-spoken answers (the Assistant) - the entire intuition the AEO era recycled.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2019/05/new-in-structured-data-faq-and-how-to"
    },
    {
     "date": "2023-08-08",
     "event": "Google kills the host body: 'FAQ rich results will now only appear for authoritative government and health websites... How-to rich results are now deprecated.'",
     "source_url_or_archive": "https://developers.google.com/search/blog/2023/08/howto-faq-changes"
    },
    {
     "date": "2024-05",
     "event": "With AI Overviews rolling out, 'FAQ schema' reappears as a core AEO deliverable aimed at a surface Google explicitly says needs no markup.",
     "source_url_or_archive": null
    },
    {
     "date": "2025-12-28",
     "event": "Practitioner sales pages state flatly that 'pages with proper FAQ schema get cited by AI engines roughly 2x more often' - no source, 'personal experience across 40+ client sites'.",
     "source_url_or_archive": "https://web.archive.org/web/20260809044753/https://nayananjalee.com/blog/faq-schema-aeo/"
    },
    {
     "date": "2026-05",
     "event": "Google fully deprecates the FAQ rich result while 2026 AEO guides circulate fabricated precision ('58.3% of cited sources in Google AI Overviews contained FAQ schema - 3.2x the baseline') with no named study anywhere.",
     "source_url_or_archive": null
    }
   ],
   "kill_receipts": [
    {
     "quote": "FAQ rich results will now only appear for authoritative government and health websites... How-to rich results are now deprecated",
     "source": "Google, 'Changes to HowTo and FAQ rich results', 2023-08-08",
     "url_or_archive": "https://developers.google.com/search/blog/2023/08/howto-faq-changes",
     "tier": "T1"
    },
    {
     "quote": "There's also no special schema.org structured data that you need to add.",
     "source": "Google AI features documentation - the surface the deliverable targets needs no markup",
     "url_or_archive": "https://developers.google.com/search/docs/appearance/ai-features",
     "tier": "T1"
    },
    {
     "quote": "Google does not guarantee that your structured data will show up in search results",
     "source": "Google's own 2019 launch post - the disclaimer the genealogy's later stages discarded",
     "url_or_archive": "https://developers.google.com/search/blog/2019/05/new-in-structured-data-faq-and-how-to",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "'FAQ Schema for AEO: The 5-Minute Setup That Doubles AI Visibility' (2025-12-28) - unsourced '2x more citations' claim + 'Get Free Schema Audit' funnel (captured 2026-08-09 specifically for the record; category specimen per tone-license).",
     "url_or_archive": "https://web.archive.org/web/20260809044753/https://nayananjalee.com/blog/faq-schema-aeo/",
     "dated": "2025-12-28 (published; captured 2026-08-09)"
    }
   ],
   "what_remains_true": "Well-structured Q&A content is still useful to readers - but the rich result the markup fed is restricted-then-dead, and AI Overviews need no special markup by Google's own live documentation.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 20,
   "anchor": "ai-visibility-scores",
   "claim": "Our AI visibility score tracks your brand across LLMs (GEO-tool scores as ground truth)",
   "origin_class": "EXTRAPOLATION",
   "accelerant": null,
   "verdict_markers": [],
   "origin_year": 2023,
   "origin_document": {
    "description": "Aggarwal et al. (Princeton/Georgia Tech/AI2/IIT Delhi), 'GEO: Generative Engine Optimization', arXiv 2023-11-16 (later KDD 2024) - coins GEO, defines visibility metrics, builds the public GEO-bench, and reports strategies boosting visibility 'up to 40%' inside a generative-engine prototype the authors built themselves.",
    "url": "https://arxiv.org/abs/2311.09735",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2023-11-16",
     "event": "The paper: 'visibility' is a benchmark metric with published methodology, reproducible by anyone (GEO-bench is public).",
     "source_url_or_archive": "https://arxiv.org/abs/2311.09735"
    },
    {
     "date": "2024-07-13",
     "event": "Productization with the methodology inverted: Profound's first archived homepage - 'Profound uses proprietary algorithms and extensive datasets to query major LLMs and Retrieval systems at scale', closed beta - eight months from public benchmark to secret methodology.",
     "source_url_or_archive": "https://web.archive.org/web/20240713034739/https://www.tryprofound.com/"
    },
    {
     "date": "2025",
     "event": "Scores become the KPI in agency retainer decks through 2025-26 while vendor comparison pieces themselves concede that prompt sets, engines and account states drive the score differences - non-comparability documented by the sellers' own comparison content.",
     "source_url_or_archive": null
    }
   ],
   "kill_receipts": [
    {
     "quote": "Profound uses proprietary algorithms and extensive datasets to query major LLMs and Retrieval systems at scale.",
     "source": "Profound homepage FAQ, July 2024 capture - proprietary (non-reproducible), extensive datasets (unpublished prompt panel), at scale (sampling nobody can audit), published while the category's academic namesake had a fully public benchmark",
     "url_or_archive": "https://web.archive.org/web/20240713034739/https://www.tryprofound.com/",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Profound homepage: 'See how AI represents your brand in every conversation', Agent Analytics across 'ChatGPT, Gemini, Claude, Perplexity, and more', free 'AEO Report' scoring 'AI Visibility' - no pricing published, no methodology published.",
     "url_or_archive": "https://web.archive.org/web/20260715193123/https://www.tryprofound.com/",
     "dated": "2026-07-15 (capture)"
    },
    {
     "artifact": "The paper's sandboxed 40%-lift figure circulating as a production promise in 2026 GEO playbooks (wetheflywheel.com, thegeocommunity.com, bestaeoskill.com/research).",
     "url_or_archive": null,
     "dated": "2026-08-09 (surfaced in search results this run)"
    }
   ],
   "what_remains_true": "The paper's construct is real and its benchmark public - a visibility score is only meaningful when its methodology is reproducible, which is exactly the part the commercial products dropped.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 21,
   "anchor": "geo-copywriting",
   "claim": "Repeat your brand and keywords on your own site so ChatGPT recommends you",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "double scope-theft (the paper's 40% taken from performing methods, the tactic from non-performing; 'branded web mentions' scope-stripped from third-party surfaces to owned pages)",
   "verdict_markers": [
    "circulates as the opposite of its own source (the founding GEO paper tables keyword stuffing under 'Non-Performing' methods)"
   ],
   "origin_year": 2023,
   "origin_document": {
    "description": "Two real findings over-generalized across scope boundaries: the GEO paper (arXiv 2311.09735, 2023-11-16) whose own tables list keyword stuffing under 'Non-Performing Generative Engine Optimization methods' (10% worse than baseline on Perplexity), and Ahrefs' 75k-brand study (2025-12-12) whose 'branded web mentions' (third-party surfaces) got surface-swapped to owned pages.",
    "url": "https://arxiv.org/abs/2311.09735",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2023-11-16",
     "event": "The GEO paper measures stuffing non-performing ('little to no improvement'; 'performs 10% worse than the baseline' on a deployed engine) - sold forward as its opposite.",
     "source_url_or_archive": "https://arxiv.org/abs/2311.09735"
    },
    {
     "date": "2025-12-12",
     "event": "Ahrefs correlations published (branded web mentions r~0.66-0.71 vs backlinks ~0.218); the coefficient enters pitch decks with the word 'web' silently dropped from 'branded web mentions'.",
     "source_url_or_archive": "Ahrefs, 'Top Brand Visibility Factors in ChatGPT, AI Mode, and AI Overviews' (Linehan/Guan, fetched 2026-08-09)"
    },
    {
     "date": "2026-01-08",
     "event": "Omniscient Digital's 23,387-citation analyses (and 2026-01-20 follow-up): owned content = 23% of citations on branded queries; About pages 1.92%, homepages 1.82%, FAQs 0.41% of citations.",
     "source_url_or_archive": "Omniscient Digital, Cate Dombrowski (fetched 2026-08-09)"
    },
    {
     "date": "2026-07-06",
     "event": "The tactic gets its controlled test and fails where it's sold: Ahrefs' self-promotional-content experiment - for the established brand only 6% of new AI mentions came from answers citing their own pages, and 'among answers that cited one of the conference-promoting pages, 43% never mentioned [the brand] at all'.",
     "source_url_or_archive": "Ahrefs (Makosiewicz; 34 self-promo pages, 5 domains, 9,886 answers, Feb-May 2026)"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Non-Performing Generative Engine Optimization methods",
     "source": "The founding GEO paper's own table heading, with Keyword Stuffing first under it; same paper: 'we find such methods offer little to no improvement' and on Perplexity it 'performs 10% worse than the baseline'",
     "url_or_archive": "https://arxiv.org/abs/2311.09735",
     "tier": "T2"
    },
    {
     "quote": "among answers that cited one of the conference-promoting pages, 43% never mentioned [the brand] at all",
     "source": "Ahrefs self-promotional-content experiment, 2026-07-06 - the model reads your page and still recommends someone else",
     "url_or_archive": "Ahrefs blog (fetched 2026-08-09)",
     "tier": "T2"
    }
   ],
   "circulates_today": [
    {
     "artifact": "On-site 'GEO copywriting' passes billed inside AEO retainers - documented absence of any productized public sales page after multi-engine search (the tactic is sold in invoices, not on landing pages, which is itself the diagnostic; Ahrefs judged it widespread enough in July 2026 to spend a 4-month controlled experiment refuting it).",
     "url_or_archive": "documented absence, logged 2026-08-09 (Brave/Bing/DDG-lite/Marginalia/Ecosia/Startpage)",
     "dated": "2026-08-09 (search-path finding)"
    },
    {
     "artifact": "Adjacent fabricated-precision economy: First Page Sage's invented per-engine 'weighting' tables ('Tier 1: High-Authority Data & Research 55%' for ChatGPT), no methodology.",
     "url_or_archive": "First Page Sage (fetched 2026-08-09)",
     "dated": "2026-08-09 (fetched live)"
    }
   ],
   "what_remains_true": "For a brand-new entity, self-description can seed first mentions (82% of first mentions for an unknown name traced to owned pages in Ahrefs' test) - it cannot densify an established one, and stuffing measured worse than doing nothing in the founding paper.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 22,
   "anchor": "authority-for-ai",
   "claim": "You need domain authority before AI engines will cite you",
   "origin_class": "EXTRAPOLATION",
   "accelerant": "vendor-amplified (an undefined 'very authoritative' observation substituted with the metric the link-selling industry sells)",
   "verdict_markers": [],
   "origin_year": 2024,
   "origin_document": {
    "description": "BrightEdge's Generative Parser research on early AI Overviews citations, mid-2024: 'the websites cited for AI Overviews are very authoritative' - true, observational and metric-free; no single coiner of the DA-gate form is findable (absence logged, DDG/Bing passes 2026-08-09), the terminus is a substitution event repeated industry-wide.",
    "url": "https://www.brightedge.com/ai-overviews",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2024-05",
     "event": "AI Overviews launch - the hard floor under any origin search; no primary statement of the claim can predate it.",
     "source_url_or_archive": null
    },
    {
     "date": "2024",
     "event": "BrightEdge (mid-2024): AIO-cited sites are 'very authoritative' - observational, 'authoritative' undefined; the only industry-legible number for it is the one the DA industry spent fourteen years installing.",
     "source_url_or_archive": "https://www.brightedge.com/ai-overviews"
    },
    {
     "date": "2025",
     "event": "The gate appears in seller-side guides as settled mechanism - 'Domain authority, backlinks, brand mentions, Wikipedia presence, and third-party validation' listed as AI inputs, DA first, no study cited.",
     "source_url_or_archive": "https://www.silverbackmarketing.com/resources/ai-visibility-strategy-guide"
    },
    {
     "date": "2025-12-12",
     "event": "Falsified and sold simultaneously: Ahrefs' 75,000-brand study - DR vs AI mentions r~0.27-0.33 versus branded web mentions r~0.66-0.71; Surfer's 5M-citation analysis and Seer Interactive find DA near-zero/no correlation - while the claim's commercial footprint grows.",
     "source_url_or_archive": "Ahrefs 75k-brand study, December 2025 (fetched 2026-08-09)"
    }
   ],
   "kill_receipts": [
    {
     "quote": "don't correspond to any of Google's own signals nor come from Google.",
     "source": "Google, March 2024, on third-party authority scores",
     "url_or_archive": "https://developers.google.com/search/blog/2024/03/core-update-spam-policies",
     "tier": "T1"
    },
    {
     "quote": "DR vs AI mentions r ~ 0.27-0.33 versus branded web mentions r ~ 0.66-0.71",
     "source": "Ahrefs December 2025 75,000-brand study (the r=0.218/0.664 cut of the same family is the ranking file's headline receipt) - DR among the weakest measured predictors of AI citation, ~3x weaker than brand mentions",
     "url_or_archive": "Ahrefs 75k-brand study, 2025-12-12 (fetched 2026-08-09)",
     "tier": "T2"
    }
   ],
   "circulates_today": [
    {
     "artifact": "uSERP premium backlink retainers at $5,000-$25,000+/month (~$900/placement, 3-month minimum) marketed with 'AI and LLM Cited Domains' positioning; flagship case-study KPI: 'Increasing DR by 8 points' over 18 months.",
     "url_or_archive": "https://web.archive.org/web/20260807054555/https://userp.io/",
     "dated": "2026-08-07 (capture; fetched live 2026-08-09)"
    }
   ],
   "what_remains_true": "Cited sites often are authoritative in the plain observational sense - but the measured predictor of AI visibility is branded web mentions (~3x stronger than DR), not any purchasable authority score.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 23,
   "anchor": "llms-txt",
   "claim": "You need an llms.txt file for AI visibility",
   "origin_class": "EXTRAPOLATION",
   "accelerant": null,
   "verdict_markers": [
    "LOW-COST HEDGE)"
   ],
   "origin_year": 2024,
   "origin_document": {
    "description": "Jeremy Howard (Answer.AI), 2024-09-03, '/llms.txt - a proposal to provide information to help LLMs use websites' - checked 2026-08-09: the post contains zero claims about SEO, rankings, AI visibility or brand citations; the visibility claim itself has no author and emerged distributed across SEO-tool marketing in H1 2025.",
    "url": "https://www.answer.ai/posts/2024-09-03-llmstxt.html",
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2024-09-03",
     "event": "The proposal: 'constructing the right context for LLMs based on a website is ambiguous' - use cases are docs sites, org info, legislation, portfolios; no SEO claim.",
     "source_url_or_archive": "https://www.answer.ai/posts/2024-09-03-llmstxt.html"
    },
    {
     "date": "2024-11-14",
     "event": "The dev-tool wave, still honest: Mintlify ships automatic llms.txt for every docs site it hosts - purpose still agent-documentation, not visibility.",
     "source_url_or_archive": "https://www.mintlify.com/blog/what-is-llms-txt"
    },
    {
     "date": "2025-04-17",
     "event": "The correction that got ignored - Mueller on r/TechSEO: 'AFAIK, none of the AI services have said they're using LLMs.TXT... To me, it's comparable to the keywords meta tag.'",
     "source_url_or_archive": "https://www.searchenginejournal.com/google-says-llms-txt-comparable-to-keywords-meta-tag/544804/"
    },
    {
     "date": "2025-06-10",
     "event": "The SEO industry ships it anyway: Yoast builds an llms.txt generator into the world's most-installed SEO plugin, marketed as 'Future-proof your website for AI search'.",
     "source_url_or_archive": "https://yoast.com/features/llms-txt/"
    },
    {
     "date": "2026-06-15",
     "event": "The formal kill the sellers outran: Google's docs update - llms.txt 'won't negatively or positively impact' visibility or rankings; same month, the Ahrefs 137,210-domain study lands.",
     "source_url_or_archive": "https://searchengineland.com/google-says-llms-txt-files-wont-harm-or-help-your-search-rankings-480264"
    }
   ],
   "kill_receipts": [
    {
     "quote": "AFAIK, none of the AI services have said they're using LLMs.TXT... To me, it's comparable to the keywords meta tag",
     "source": "John Mueller, r/TechSEO, 2025-04-17 (quote verbatim in live SEJ coverage)",
     "url_or_archive": "https://www.searchenginejournal.com/google-says-llms-txt-comparable-to-keywords-meta-tag/544804/",
     "tier": "T1"
    },
    {
     "quote": "won't negatively or positively impact",
     "source": "Google AI/Search docs update on llms.txt, June 2026",
     "url_or_archive": "https://searchengineland.com/google-says-llms-txt-files-wont-harm-or-help-your-search-rankings-480264 (also seroundtable.com/google-llms-txt-files-hurt-help-41512.html)",
     "tier": "T1"
    },
    {
     "quote": "137,210 domains; 97% of llms.txt files got zero traffic in May 2026",
     "source": "Ahrefs llms.txt log study, 2026-06-15 (Linehan & Guan): of requests received, 96% were bots, AI retrieval bots ~1%, SEO audit tools ~21% - the auditors are each other's traffic",
     "url_or_archive": "https://ahrefs.com/blog/llmstxt-study/",
     "tier": "T2"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Yoast's llms.txt feature page promising the file 'helps AI tools give better answers about your site' (ships free; the indictable economy is the audit line that flags its absence).",
     "url_or_archive": "https://web.archive.org/web/20260728235821/https://yoast.com/features/llms-txt/",
     "dated": "2026-07-28 (capture)"
    },
    {
     "artifact": "'AI readiness' audit line-items flagging a missing llms.txt as a defect - binary, screenshottable, billable to remediate.",
     "url_or_archive": null,
     "dated": "2026 (category, per trace)"
    }
   ],
   "what_remains_true": "The file is a free, harmless convenience for documentation-style agent use exactly as proposed - no AI service has said it reads it, and Google says it changes nothing either way.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 24,
   "anchor": "alt-text-ai",
   "claim": "Write alt text so the AI can read your images",
   "origin_class": "EXTRAPOLATION",
   "accelerant": null,
   "verdict_markers": [
    "LOW-COST HEDGE)"
   ],
   "origin_year": 2025,
   "origin_document": {
    "description": "Distributed emergence in AEO tool/guide marketing during 2025 - no single origin document or findable first author; three real grandparents: RFC 1866 (1995, ALT as fallback text), WCAG 1.0 (1999, accessibility), and Google's live image doc, whose own doctrine ('alt text along with computer vision algorithms') pre-refutes the claim's mechanism.",
    "url": null,
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "1995-11",
     "event": "Born as fallback text pre-dating Google: RFC 1866 - the ALT attribute is 'text to use in place of the referenced image resource' for a machine that cannot or will not render the image.",
     "source_url_or_archive": "https://www.rfc-editor.org/rfc/rfc1866.txt"
    },
    {
     "date": "1999-05-05",
     "event": "Canonised as accessibility: WCAG 1.0 checkpoint 1.1 - 'Provide a text equivalent for every non-text element'.",
     "source_url_or_archive": "https://www.w3.org/TR/WAI-WEBCONTENT/"
    },
    {
     "date": "2018-09-04",
     "event": "The image-search-signal era: Mueller - 'Alt text is extremely helpful for Google Images -- if you want your images to rank there.'",
     "source_url_or_archive": "https://www.seroundtable.com/google-alt-text-images-seo-26316.html"
    },
    {
     "date": "2021-04-06",
     "event": "Google declines pure vision and states why - Mueller's beach: 'we could recognize, oh, it's a beach... But if someone is searching for a hotel, is a picture of the beach the relevant thing to show?'",
     "source_url_or_archive": "https://www.seroundtable.com/google-image-search-not-using-cloud-vision-ai-31202.html"
    },
    {
     "date": "2021-08-03",
     "event": "Martin Splitt: 'alt text is important for SEO too'.",
     "source_url_or_archive": "https://www.seroundtable.com/google-alt-text-important-seo-31872.html"
    },
    {
     "date": "2023-07-19",
     "event": "The AI-as-author era: AltText.ai's sponsored SEJ post - AI generates your alt text; in 2023 the AI is the writer, not yet the reader.",
     "source_url_or_archive": "https://www.searchenginejournal.com/alt-text-seo-ai-alttextai-spa/490679/"
    },
    {
     "date": "2024-09-22",
     "event": "The question inverts before the claim does - r/SEO asks if vision killed alt text; Mueller resurrects the beach: 'the alt-text is unique in that it's what directly connects the image to the page with context.'",
     "source_url_or_archive": "https://www.reddit.com/r/SEO/comments/1fmecwb/ (comment loaq631, retrieved via pullpush.io mirror)"
    },
    {
     "date": "2025-01-24",
     "event": "Google re-anchors the purpose - Mueller, Bluesky: 'The choice of ALT text is not primarily an SEO decision.'",
     "source_url_or_archive": "https://bsky.app/profile/johnmu.com/post/3lgilpi2gek2k (coverage: SEJ 2025-01-28)"
    },
    {
     "date": "2025-10-16",
     "event": "The AI-as-audience era arrives in the guides - Writesonic's GEO guide (upd. 2026-05-06): captions, transcripts and alt text 'aren't cosmetic anymore; they're retrieval surfaces.'",
     "source_url_or_archive": "https://writesonic.com/blog/what-is-generative-engine-optimization-geo"
    },
    {
     "date": "2026-02-03",
     "event": "The spokesperson's reductio - Mueller, Bluesky: 'Did you know LLMs can read images? WHY NOT TURN YOUR WHOLE SITE INTO AN IMAGE?' (a sarcastic dismissal later half-remembered as an affirmation).",
     "source_url_or_archive": "https://bsky.app/profile/johnmu.com/post/3mdxp3zkwa22o (coverage: seroundtable.com/google-serving-markdown-pages-llms-40866.html, 2026-02-04)"
    },
    {
     "date": "2026-03-25",
     "event": "The loop closes: 'Oh yeah, don't put text in your images if you don't also include it on the page. Don't rely on just having it in alt-text. LLMS DO NOT READ THE TEXT IN YOUR IMAGES.' (reconfirmed 2026-07-31).",
     "source_url_or_archive": "https://bsky.app/profile/johnmu.com/post/3mhussxgr622s (API-verified; at://did:plc:4cv34f5o756rx377sm3mhrhm/app.bsky.feed.post/3mhussxgr622s)"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Google uses alt text along with computer vision algorithms and the contents of the page to understand the subject matter of the image.",
     "source": "Google image best-practices doc (updated 2026-03-02) - Google was already reading images with computer vision, alongside alt text, on its own published record",
     "url_or_archive": "https://developers.google.com/search/docs/appearance/google-images",
     "tier": "T1"
    },
    {
     "quote": "The choice of ALT text is not primarily an SEO decision.",
     "source": "John Mueller, Bluesky, 2025-01-24 (public API-verified; SEJ coverage 2025-01-28)",
     "url_or_archive": "https://bsky.app/profile/johnmu.com/post/3lgilpi2gek2k",
     "tier": "T1"
    },
    {
     "quote": "LLMS DO NOT READ THE TEXT IN YOUR IMAGES.",
     "source": "John Mueller, Bluesky, 2026-03-25 (public API-verified; Wayback save triggered)",
     "url_or_archive": "https://bsky.app/profile/johnmu.com/post/3mhussxgr622s",
     "tier": "T1"
    },
    {
     "quote": "Gemini models are built to be multimodal from the ground up, unlocking a wide range of image processing and computer vision tasks including but not limited to image captioning, classification, and visual question answering",
     "source": "Google Gemini API docs - kills the mechanism from the other side: the frontier systems named in the sales copy process pixels directly",
     "url_or_archive": "https://ai.google.dev/gemini-api/docs/image-understanding",
     "tier": "T1"
    },
    {
     "quote": "Google's AI-features doc contains no image or alt-text instruction of any kind for AI Overviews/AI Mode",
     "source": "Absence checked 2026-08-09 across the full page text; no controlled or interventional study exists in either direction on alt text vs AI citation as of 2026-08-09 - the absence of even a correlational study behind a claim this widely circulated is itself a finding",
     "url_or_archive": "https://developers.google.com/search/docs/appearance/ai-features",
     "tier": "T1 (absence)"
    }
   ],
   "circulates_today": [
    {
     "artifact": "AltText.ai homepage: scanner 'shows you exactly which images ChatGPT, Claude, and Perplexity can't see'; '38M Images Now AI-Visible'; '97K+ Teams'; from $5/mo - the 2023 AI-as-writer vendor now pitching AI as audience.",
     "url_or_archive": "https://web.archive.org/web/20260113214415/https://alttext.ai/",
     "dated": "2026-01-13 (capture; fetched live 2026-08-09)"
    },
    {
     "artifact": "Writesonic GEO guide: alt text as 'retrieval surfaces' (pub 2025-10-16, upd 2026-05-06).",
     "url_or_archive": "https://writesonic.com/blog/what-is-generative-engine-optimization-geo",
     "dated": "2026-05-06 (last update; Wayback save triggered 2026-08-09)"
    }
   ],
   "what_remains_true": "Write the alt text - it has been right since 1995 for accessibility, is a real Google Images signal, and uniquely connects the image to the page's context (Mueller's hotel-beach example); only the 'for the AI' mechanism on the label is folklore.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 25,
   "anchor": "keyword-density",
   "claim": "There is an optimal keyword density percentage (2-3%)",
   "origin_class": "FOLKLORE",
   "accelerant": "extrapolated from legitimate IR (Luhn 1958, Sparck Jones 1972); the percentage itself has no coiner",
   "verdict_markers": [
    "partial TRUE THEN, OUTDATED NOW kernel (crude engines rewarded repetition; the percentage never existed)",
    "LOW-COST HEDGE)"
   ],
   "origin_year": 2002,
   "origin_document": {
    "description": "Earliest dated publications of a range - keyworddensity.com, 2002-01-24 ('A density of 1% to 7% is generally considered good') and Brett Tabke's WebmasterWorld checklist, 2002-02-03 ('hit the density between 5 and 20% (don't fret about it)') - same month, mutually contradictory; the canonical '2-3%' figure itself is a documented absence with no findable author anywhere in the record.",
    "url": "http://www.keyworddensity.com/",
    "archive_url_or_id": "https://web.archive.org/web/20020124062723/http://www.keyworddensity.com/ (Tabke: https://web.archive.org/web/20130120005724/http://www.webmasterworld.com/forum3/2010.htm)"
   },
   "waypoints": [
    {
     "date": "1958",
     "event": "The science: Luhn - 'the frequency of word occurrence in an article furnishes a useful measurement of word significance' - a significance heuristic for abstracting, not a ranking target, no percentage.",
     "source_url_or_archive": "https://courses.ischool.berkeley.edu/i256/f06/papers/luhn58.pdf"
    },
    {
     "date": "1972",
     "event": "Sparck Jones' IDF paper: discriminating power lives in rare terms across the collection; nothing in the literature defines an optimal ratio of one term to total words.",
     "source_url_or_archive": "https://www.staff.city.ac.uk/~sbrp622/idfpapers/ksj_orig.pdf"
    },
    {
     "date": "1998-05-20",
     "event": "The operationalisation era: earliest WebPosition homepage capture (marketed from 1997) - desktop tooling that turns frequency into a dial.",
     "source_url_or_archive": "https://web.archive.org/web/19980520011151/http://webposition.com/"
    },
    {
     "date": "1999-10-09",
     "event": "WebPosition's Page Critic tour: 'specific advice on how you can optimize your page's content to rank higher on each major search engine' - per-engine numeric prescriptions from a desktop tool; the percentage era begins here.",
     "source_url_or_archive": "https://web.archive.org/web/19991009151141/http://www.webposition.com/pagecritic.htm"
    },
    {
     "date": "2002-01-24",
     "event": "The number is published: keyworddensity.com - 'A density of 1% to 7% is generally considered good' (passive voice: folklore citing itself in its first appearances).",
     "source_url_or_archive": "https://web.archive.org/web/20020124062723/http://www.keyworddensity.com/"
    },
    {
     "date": "2002-02-03",
     "event": "And disagrees with itself immediately: Tabke's era-defining checklist - 'hit the density between 5 and 20% (don't fret about it)'.",
     "source_url_or_archive": "https://web.archive.org/web/20130120005724/http://www.webmasterworld.com/forum3/2010.htm"
    },
    {
     "date": "2005-05-01",
     "event": "The demolition from inside IR, contemporaneous: Dr. E. Garcia - 'KD plays no role on how commercial search engines process text... Why then many optimizers still believe in KD values? The answer is simple: misinformation.'",
     "source_url_or_archive": "https://web.archive.org/web/20050507071156/http://www.miislita.com/fractals/keyword-density-optimization.html"
    },
    {
     "date": "2011-08-18",
     "event": "Google answers by name - Cutts video: diminishing returns after the first mentions, and 'anyone who tells you there is a hard and fast rule you might be careful because they might be selling you keyword density software.' The claim survives contact.",
     "source_url_or_archive": "YouTube video Rk4qgQdp2UA, Google Search Central (oEmbed-verified; verbatim via SEJ ranking-factors entry)"
    },
    {
     "date": "2022-01-07",
     "event": "Mueller's complete answer to 'is keyword density still a SEO factor': 'no.'",
     "source_url_or_archive": "https://www.seroundtable.com/google-keyword-density-seo-32683.html"
    },
    {
     "date": "2023-01-31",
     "event": "The precise kill: 'no, Google does not have a notion of optimal keyword density' - the variable does not exist in the system being optimised for.",
     "source_url_or_archive": "https://www.seroundtable.com/google-search-optimal-keyword-density-34826.html"
    },
    {
     "date": "2025-10-14",
     "event": "The species jump completes: '2-3%' resurfaces intact as resume-optimization advice ('Optimal keyword density typically ranges from 2-3% of your resume's total word count (Jobscan, 2025)') - archive-pinned from this date, still live with a rolling byline date.",
     "source_url_or_archive": "https://web.archive.org/web/20251014011707/https://www.hireflow.net/blog/ats-resume-navigating-keyword-density-without-stuffing"
    }
   ],
   "kill_receipts": [
    {
     "quote": "I would love it if people could stop obsessing about keyword density... anyone who tells you there is a hard and fast rule you might be careful because they might be selling you keyword density software.",
     "source": "Matt Cutts, 'What is the ideal keyword density of a page?', 2011-08-18, Google Search Central YouTube (verbatim via SEJ 2021-12-15)",
     "url_or_archive": "https://www.searchenginejournal.com/ranking-factors/keyword-density/",
     "tier": "T1"
    },
    {
     "quote": "no, Google does not have a notion of optimal keyword density. Over the years, our systems have gotten quite well at recognizing what a page is about",
     "source": "John Mueller, Google SEO office-hours, 2023-01-31",
     "url_or_archive": "https://www.seroundtable.com/google-search-optimal-keyword-density-34826.html",
     "tier": "T1"
    },
    {
     "quote": "Keyword stuffing refers to the practice of filling a web page with keywords or numbers in an attempt to manipulate rankings in Google Search results... Repeating the same words or phrases so often that it sounds unnatural.",
     "source": "Google spam policies - string-scan 2026-08-09: the word 'density' appears 0 times on the page; no percentage threshold of any kind; the test is a reader's judgement, not a ratio",
     "url_or_archive": "https://developers.google.com/search/docs/essentials/spam-policies",
     "tier": "T1"
    },
    {
     "quote": "When you search for 'dogs', you likely don't want a page with the word 'dogs' on it hundreds of times.",
     "source": "Google, How Search Works: ranking results",
     "url_or_archive": "https://www.google.com/search/howsearchworks/how-search-works/ranking-results/",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Yoast SEO's green bullet: 'You need to have a keyphrase density between 0.5 and 3% to get a green bullet.' - the world's most-installed SEO plugin ships a density traffic light, in a range disagreeing with every range in the 2002 record.",
     "url_or_archive": "https://web.archive.org/web/20260809075730/https://yoast.com/features/keyphrase-density/",
     "dated": "2026-08-09 (archived this run)"
    },
    {
     "artifact": "The resume-industry migration: hireflow.net 'Aim for 2-3% of your resume's word count' citing 'Jobscan, 2025' - a rolling fake-freshness byline decorating a keyword-density percentage.",
     "url_or_archive": "https://web.archive.org/web/20251014011707/https://www.hireflow.net/blog/ats-resume-navigating-keyword-density-without-stuffing",
     "dated": "2025-10-14 (content pin; live fetch 2026-08-09 displaying 'August 8, 2026')"
    },
    {
     "artifact": "The self-aware density checker: ranknow.ai ships a density tool while stating 'The 2-3% rule that still gets repeated in beginner SEO guides is a holdover from the keyword-meta-tag era.' - the debunk and the dial on the same page.",
     "url_or_archive": "https://web.archive.org/web/20260809075928/https://ranknow.ai/free-tools/keyword-density-checker",
     "dated": "2026-08-09 (archived this run)"
    }
   ],
   "what_remains_true": "Using the words your audience actually searches for matters and always has (Luhn's 1958 insight intact); what was never true is that frequency is a dial with a correct setting - say the words your reader would use and count nothing.",
   "dead_origin_documents": [
    "keyworddensity.com - the earliest dated publication of a density range - 404 (curl-verified 2026-08-09); survives at https://web.archive.org/web/20020124062723/http://www.keyworddensity.com/",
    "'2-3%' itself has no origin document to die: documented absence after logged multi-engine search - no coining publication in the IR literature, Google's 28 years of documentation, or any dated first-use SEO artifact."
   ]
  },
  {
   "exhibit": 26,
   "anchor": "crawl-budget",
   "claim": "Crawl budget is a sitewide health metric every site must monitor and optimise",
   "origin_class": "FOLKLORE",
   "accelerant": "documented absence of author; the term predates its earliest surviving definition (consultancy vocabulary before 2010)",
   "verdict_markers": [
    "not TRUE THEN, OUTDATED NOW (the myth is scope, not tense)",
    "partial LOW-COST HEDGE (crawl hygiene free + rational)",
    "circulates as the opposite of its own source (earliest surviving document refutes the folk model verbatim)"
   ],
   "origin_year": 2010,
   "origin_document": {
    "description": "Eric Enge's interview with Matt Cutts (conducted 2010-01-25, published 2010-03-08) - the earliest findable dated primary document is not a definition but Google responding to the already-established term, and it already refutes the folk model: 'there isn't really such thing as an indexation cap... There is also not a hard limit on our crawl.'",
    "url": "http://www.stonetemple.com/articles/interview-matt-cutts-012510.shtml",
    "archive_url_or_id": "https://web.archive.org/web/20100311234307/http://www.stonetemple.com/articles/interview-matt-cutts-012510.shtml"
   },
   "waypoints": [
    {
     "date": "2009-08-10",
     "event": "The Google-side ancestor without the term: Moskwa's 'Optimize your crawling and indexing' carries the honest engineering kernel - and string-checked 2026-08-09, the phrase 'crawl budget' appears nowhere in the post.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2009/08/optimize-your-crawling-indexing"
    },
    {
     "date": "2010-03-08",
     "event": "Folklore meets engineering: the Enge/Cutts interview - folk model (a nightly page allowance) vs actual mechanism (no cap, crawl roughly proportional to PageRank, bounded by host load); the gap between the two models is the entire future myth.",
     "source_url_or_archive": "https://web.archive.org/web/20100311234307/http://www.stonetemple.com/articles/interview-matt-cutts-012510.shtml"
    },
    {
     "date": "2016-05-17",
     "event": "Google says the term doesn't map to anything internal - Illyes: 'It's not like, like how many pages do we want to crawl. We have a notion internally which we call host load... I think what you are talking about is actually scheduling.'",
     "source_url_or_archive": "https://www.seroundtable.com/googles-gary-illyes-crawl-budget-scheduling-host-load-22097.html"
    },
    {
     "date": "2016-12-08",
     "event": "The pre-announcement - Mueller: 'at Google we don't really have this notion of crawl budget the way that people are talking about it externally', naming the folk claim as a myth and scoping the real thing to several-thousand-page or infinite-URL sites.",
     "source_url_or_archive": "https://www.seroundtable.com/google-crawl-budget-different-23108.html"
    },
    {
     "date": "2017-01-16",
     "event": "CANONISATION: Illyes' 'What Crawl Budget Means for Googlebot' concedes the term is external folklore being adopted ('we don't have a single term that would describe everything that crawl budget stands for externally') and fences it in the same breath.",
     "source_url_or_archive": "https://developers.google.com/search/blog/2017/01/what-crawl-budget-means-for-googlebot"
    },
    {
     "date": "2017-07-17",
     "event": "Google exempts itself - Illyes, asked about Google's own properties: 'Yeah, no. We don't care about crawl budget at all.'",
     "source_url_or_archive": "https://www.seroundtable.com/google-crawl-budget-whatever-24160.html"
    },
    {
     "date": "2018-05-30",
     "event": "The constraint campaign goes explicit - Mueller: 'IMO crawl-budget is over-rated. Most sites never need to worry about this.'",
     "source_url_or_archive": "https://www.seroundtable.com/google-crawl-budget-overrated-25825.html"
    },
    {
     "date": "2020-12-01",
     "event": "The thresholds get numbers: the large-site guide names who the concept is for - 1 million+ unique pages, or 10,000+ with daily-changing content - and its myths section states 'Crawling is a ranking factor: False'.",
     "source_url_or_archive": "https://www.seroundtable.com/google-advanced-crawl-budget-management-30525.html"
    },
    {
     "date": "2025-12-19",
     "event": "Crawl budget leaves the SEO docs entirely: earliest capture of the guide at its new home in the Crawling infrastructure section - filed under infrastructure, not SEO; the taxonomy is itself a statement.",
     "source_url_or_archive": "https://developers.google.com/crawling/docs/crawl-budget (old Search-docs URL 301s there, redirect verified 2026-08-09)"
    },
    {
     "date": "2026-07-22",
     "event": "The live doc's door policy: advanced guide for 1M+ page or rapidly-changing 10k+ page sites, with the exit line 'If your site doesn't have a large number of pages that change rapidly, or if your pages seem to be crawled the same day that they are published, you don't need to read this guide.'",
     "source_url_or_archive": "https://web.archive.org/web/20260721050357/https://developers.google.com/crawling/docs/crawl-budget"
    }
   ],
   "kill_receipts": [
    {
     "quote": "The first thing is that there isn't really such thing as an indexation cap... There is also not a hard limit on our crawl.",
     "source": "Matt Cutts to Eric Enge, 2010-03-08 - the term's earliest surviving primary document answers the folk model verbatim",
     "url_or_archive": "https://web.archive.org/web/20100311234307/http://www.stonetemple.com/articles/interview-matt-cutts-012510.shtml",
     "tier": "T1"
    },
    {
     "quote": "An increased crawl rate will not necessarily lead to better positions in Search results. Google uses hundreds of signals to rank the results, and while crawling is necessary for being in the results, it's not a ranking signal.",
     "source": "Google, 'What Crawl Budget Means for Googlebot', 2017-01-16 (live, curl-verified)",
     "url_or_archive": "https://developers.google.com/search/blog/2017/01/what-crawl-budget-means-for-googlebot",
     "tier": "T1"
    },
    {
     "quote": "Improving your crawl rate won't necessarily lead to better positions",
     "source": "Google, myths-about-crawling documentation (live)",
     "url_or_archive": "https://developers.google.com/crawling/docs/myths-about-crawling",
     "tier": "T1"
    },
    {
     "quote": "If your site doesn't have a large number of pages that change rapidly, or if your pages seem to be crawled the same day that they are published, you don't need to read this guide.",
     "source": "Google crawl budget documentation, updated 2026-07-22 - the exit line",
     "url_or_archive": "https://developers.google.com/crawling/docs/crawl-budget (archive pin 2026-07-21)",
     "tier": "T1"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Backlinko 'What is Crawl Budget...' (upd. 2026-06-23): concedes 'the vast majority of sites out there don't need to worry about crawl budget', then delivers a six-part optimisation programme including 'Manage AI Crawler Traffic'.",
     "url_or_archive": "https://web.archive.org/web/20260809074219/https://backlinko.com/hub/seo/crawl-budget",
     "dated": "2026-06-23 (page update; archived 2026-08-09)"
    },
    {
     "artifact": "Semrush crawl-budget blog (upd. 2024-06-27): 'Most website owners don't need to worry too much', followed by a seven-item routine monitoring checklist.",
     "url_or_archive": "https://web.archive.org/web/20260622100057/https://www.semrush.com/blog/crawl-budget/",
     "dated": "2024-06-27 (page update; live 2026-08-09)"
    },
    {
     "artifact": "Yoast 'crawl settings' shipped in the world's most-installed WordPress SEO plugin - the vocabulary penetrating the exact population Google's thresholds exclude (noted: partly framed as server-load/sustainability, defensible on its own terms).",
     "url_or_archive": "https://web.archive.org/web/20260809074351/https://yoast.com/features/crawl-settings/",
     "dated": "2026-08-09 (archived this run)"
    }
   ],
   "what_remains_true": "Crawl budget is real engineering at genuine scale (million-plus URLs, rapidly changing tens of thousands, infinite URL spaces) and crawl hygiene is free good practice for everyone - Google's own honest test since 2017: if new pages are crawled the same day they're published, there is nothing to optimise.",
   "dead_origin_documents": [
    "The Enge/Cutts 2010-03-08 interview - the term's earliest surviving primary document - 404 at stonetemple.com (curl-verified 2026-08-09); Wayback-only: https://web.archive.org/web/20100311234307/http://www.stonetemple.com/articles/interview-matt-cutts-012510.shtml"
   ]
  },
  {
   "exhibit": 27,
   "anchor": "exact-match-domains",
   "claim": "Buying an exact-match keyword domain is a ranking cheat code",
   "origin_class": "FOLKLORE",
   "accelerant": "folklore terminus: no patient zero - true-era behaviour needed no author",
   "verdict_markers": [
    "TRUE THEN, OUTDATED NOW, cleanest specimen (killed by named update, 2012-09-28, dated to the day)"
   ],
   "origin_year": null,
   "origin_document": {
    "description": "None exists, and that absence is the finding: through the 2000s the claim was an accurate description of Google's algorithm, so it has no author, no sales page of origin, no misquoted seed. The origin exhibits are the claim being confirmed and measured: Matt Cutts' on-camera confirmation (video uploaded 2011-03-07) and SEOmoz correlation data tracking EMDs at 3.3-4.1% of every top-10 result (2012).",
    "url": null,
    "archive_url_or_id": null
   },
   "waypoints": [
    {
     "date": "2011-03-07",
     "event": "Google says the quiet part on camera - Cutts: 'we're giving a little too much weight for keywords in domains... we have been thinking about adjusting that mix a little bit and sort of turning the knob down' - simultaneously the confirmation and the first public warning.",
     "source_url_or_archive": "https://www.youtube.com/watch?v=rAWFv43qubI (contemporaneous coverage: nsdesign.co.uk 2011-03-22)"
    },
    {
     "date": "2011-06-07",
     "event": "The asset class registers the decline: domainer trade press covers the SEOmoz survey - exact-match .coms 'dropped more than any other factor'; a factor whose decline made headlines was, by definition, a factor.",
     "source_url_or_archive": "https://thedomains.com/2011/06/07/seomoz-org-2011-seo-ranking-factors-exact-match-domains-less-important-long-domains-suck-ehow-in-top-10/"
    },
    {
     "date": "2012-09-11",
     "event": "The measurement record: Dr. Pete Meyers - EMDs alone hold 3.3-4.1% of every top-10 result across 1,000 tracked SERPs, April-September 2012.",
     "source_url_or_archive": "https://moz.com/blog/are-exact-match-domains-in-decline"
    },
    {
     "date": "2012-09-28",
     "event": "The kill, dated to the day - Cutts tweets: 'Minor weather report: small upcoming Google algo change will reduce low-quality exact-match domains in search results' (affecting 0.6% of English-US queries, 'Unrelated to Panda/Penguin').",
     "source_url_or_archive": "https://web.archive.org/web/20121002010623/http://twitter.com/mattcutts/status/251784203597910016"
    },
    {
     "date": "2012-09-29",
     "event": "The corpse measured within 24 hours: MozCast records EMD influence dropping 3.58% to 3.21% overnight - 'the lowest measurement of EMD influence on record'; 41 EMDs fall out of the top 10.",
     "source_url_or_archive": "https://moz.com/blog/googles-emd-algo-update-early-data"
    },
    {
     "date": "2020-09-15",
     "event": "The Mueller-era restatement: 'You don't get a special bonus like that from having a keyword in your top-level domain.'",
     "source_url_or_archive": "https://web.archive.org/web/20260809080844/https://www.searchenginejournal.com/keywords-in-domain-name/380912/"
    },
    {
     "date": "2022-11-21",
     "event": "The one-off becomes an institution: Google's ranking-systems guide names an 'exact match domain system' among systems running today (first Wayback capture of the page).",
     "source_url_or_archive": "https://developers.google.com/search/docs/appearance/ranking-systems-guide"
    },
    {
     "date": "2025-04-03",
     "event": "The tense refuses to die: SEL still runs 'Do exact match domains have value in 2025?' as a headline in year 13.",
     "source_url_or_archive": "https://web.archive.org/web/20260809080959/https://searchengineland.com/exact-match-domains-value-453837"
    },
    {
     "date": "2026-04-04",
     "event": "A purpose-built EMD-finder tool claims a well-built EMD site achieves '15-30% higher organic click-through rates' and '1-3 positions higher for the matching keyword, all other factors being equal' - unsourced, load-bearing for a product, 13.5 years after the update.",
     "source_url_or_archive": "https://web.archive.org/web/20260809081346/https://www.exactdomainfinder.com/blog/exact-match-domain-seo"
    }
   ],
   "kill_receipts": [
    {
     "quote": "Minor weather report: small upcoming Google algo change will reduce low-quality \"exact-match\" domains in search results.",
     "source": "Matt Cutts, tweet, 2012-09-28 - Wayback capture four days after posting; second tweet carried in same-week SER coverage: 'New exact-match domain (EMD) algo affects 0.6% of English-US queries to a noticeable degree. Unrelated to Panda/Penguin.'",
     "url_or_archive": "https://web.archive.org/web/20121002010623/http://twitter.com/mattcutts/status/251784203597910016",
     "tier": "T1"
    },
    {
     "quote": "our exact match domain system works to ensure we don't give too much credit for content hosted under domains designed to exactly match particular queries",
     "source": "Google's current ranking-systems guide, live-verified 2026-08-09 - the system sits in the active list, not the retired list",
     "url_or_archive": "https://developers.google.com/search/docs/appearance/ranking-systems-guide (archived 2026-08-09: https://web.archive.org/web/20260809080938/)",
     "tier": "T1"
    },
    {
     "quote": "You don't get a special bonus like that from having a keyword in your top-level domain.",
     "source": "John Mueller, Ask Google Webmasters video, quoted verbatim in SEJ 2020-09-15",
     "url_or_archive": "https://www.searchenginejournal.com/keywords-in-domain-name/380912/",
     "tier": "T1"
    },
    {
     "quote": "We measured a 24-hour drop in EMD influence from 3.58% to 3.21%. This represents a day-over-day change of 10.3%... the lowest measurement of EMD influence on record.",
     "source": "Dr. Pete Meyers, MozCast, 2012-09-29 - independent, dated, quantified third-party observation of the kill landing",
     "url_or_archive": "https://moz.com/blog/googles-emd-algo-update-early-data",
     "tier": "T2"
    }
   ],
   "circulates_today": [
    {
     "artifact": "Exact Domain Finder ('1-3 positions higher for the matching keyword'), archived 2026-08-09 specifically for the record.",
     "url_or_archive": "https://web.archive.org/web/20260809081346/https://www.exactdomainfinder.com/blog/exact-match-domain-seo",
     "dated": "2026-04-04 (published; archived 2026-08-09)"
    },
    {
     "artifact": "Backlinko's 200-factors list (upd. 2025-05-15): keyword in domain 'still acts as a relevancy signal'; 'Keyword in Subdomain... can boost rankings.'",
     "url_or_archive": "https://web.archive.org/web/20260809080327/https://backlinko.com/google-ranking-factors",
     "dated": "2025-05-15 (page update; archived 2026-08-09)"
    },
    {
     "artifact": "Hook Agency evergreen guide (upd. 2025-01-05): keyword domains seen 'as a high-quality and pertinent option more rapidly'.",
     "url_or_archive": "https://web.archive.org/web/20260809080347/https://hookagency.com/blog/exact-match-domain-seo/",
     "dated": "2025-01-05 (page update; archived 2026-08-09)"
    }
   ],
   "what_remains_true": "Words in a domain are read as one of many relevance factors and a memorable brandable domain has real durable value - what the exact match domain system removes is the extra credit, and the era when the domain alone moved rankings closed on 2012-09-28, on a tweet with a date on it.",
   "dead_origin_documents": []
  },
  {
   "exhibit": 28,
   "anchor": "geotagged-photos",
   "claim": "Geotagging your photos improves local rankings",
   "origin_class": "FOLKLORE",
   "accelerant": "late vendor amplification (GeoImgr retrofits the SEO pitch 2016-2018, a decade after the tool existed)",
   "verdict_markers": [
    "LOW-COST HEDGE)"
   ],
   "origin_year": null,
   "origin_document": {
    "description": "None findable - the assigned myth with no patient zero: GeoImgr is archived 2008-12-23 as a plain hobbyist utility with no SEO claim anywhere; the 'Local SEO - Geotag images to improve the search engine ranking' panel appears by 2018-01-14; the practitioner canon (Mihm's archived surveys, Whitespark) records no origin, no coiner, no first vendor. Plausible substrate, flagged as inference only: the Panoramio photo layer (Google acquired 2007, retired Nov 2016).",
    "url": null,
    "archive_url_or_id": "https://web.archive.org/web/20081223041031/ (GeoImgr, no SEO claim); https://web.archive.org/web/20180114073857/ (GeoImgr 'Local SEO' panel)"
   },
   "waypoints": [
    {
     "date": "2007",
     "event": "Plausible substrate (inference, not receipt): Google acquires Panoramio - geotagged photos genuinely surface in the Google Earth/Maps photo layer, a real dead product behaviour about display later fossilized into a ranking belief.",
     "source_url_or_archive": null
    },
    {
     "date": "2008-12-23",
     "event": "The obvious vendor suspect exonerated at origin: GeoImgr archived as 'Geotag your photos simply' - no SEO claim on the page (nor in Jan 2014 or Jan 2016 captures).",
     "source_url_or_archive": "https://web.archive.org/web/20081223041031/ (geoimgr.com)"
    },
    {
     "date": "2016-11",
     "event": "Panoramio retired - GeoImgr's SEO pivot lands in the window right after (timing consistent, causation unproven).",
     "source_url_or_archive": null
    },
    {
     "date": "2018-01-14",
     "event": "The tooling monetizes the folklore: GeoImgr's 'Local SEO - Geotag images to improve the search engine ranking for location-specific websites and businesses' panel is on the homepage by this capture - still the live pitch today.",
     "source_url_or_archive": "https://web.archive.org/web/20180114073857/ (geoimgr.com)"
    },
    {
     "date": "2024-01",
     "event": "First controlled nulls: Joy Hawkins / Sterling Sky 27-location test - no impact, some declines.",
     "source_url_or_archive": "https://www.sterlingsky.ca/geotagging-photos-impact-ranking/"
    },
    {
     "date": "2024-02",
     "event": "Tim Kahlert's independent test: null.",
     "source_url_or_archive": null
    },
    {
     "date": "2025-03-25",
     "event": "The myth's own believers falsify it at scale: Jake Hundley's 10-week, 27-client controlled test on SEL - of seven metrics one improved, six flat; 'it hurts everywhere you don't add geotagged images.'",
     "source_url_or_archive": "https://searchengineland.com/geotagging-photos-google-business-profile-rank-453525"
    }
   ],
   "kill_receipts": [
    {
     "quote": "No need to geotag images for SEO",
     "source": "John Mueller, as quoted in SEL's study coverage; Google strips EXIF from GBP uploads (confirmed by ex-Googler Joel Headley) - the mechanism can't be EXIF, which Google deletes on upload",
     "url_or_archive": "https://searchengineland.com/geotagging-photos-google-business-profile-rank-453525",
     "tier": "T1"
    },
    {
     "quote": "Although it helps the 'near me' queries in those targeted areas, it hurts everywhere you don't add geotagged images.",
     "source": "Jake Hundley's 10-week, 27-client controlled test, Search Engine Land, 2025-03-25 - even read charitably, a trade, not a lever",
     "url_or_archive": "https://searchengineland.com/geotagging-photos-google-business-profile-rank-453525",
     "tier": "T2"
    },
    {
     "quote": "Geotagging Photos is a Local SEO Myth",
     "source": "Whitespark's own post - reporting the Local Search Ranking Factors survey now ranks geotagging as the '#1 Local Search Myth'; the industry that spreads it cannot say where it came from",
     "url_or_archive": "Whitespark (live, fetched 2026-08-09)",
     "tier": "T3"
    }
   ],
   "circulates_today": [
    {
     "artifact": "GeoImgr live: free tier plus Pro at $12.90/month for bulk geotagging, under the verbatim claim 'Geotag images to improve the search engine ranking for location-specific websites and businesses' - a subscription for writing metadata the destination platform verifiably deletes on upload.",
     "url_or_archive": "https://www.geoimgr.com",
     "dated": "2026-08-09 (fetched live)"
    },
    {
     "artifact": "'X geotagged photos uploaded to your GBP monthly' - a staple of commodity local-SEO packages and white-label fulfillment mills; TikTok/YouTube local-SEO course content keeps reciting it (Whitespark names the vector).",
     "url_or_archive": null,
     "dated": "2025-26 (category, per trace)"
    }
   ],
   "what_remains_true": "Geotagging photos is harmless, free photography hygiene - but Google strips the EXIF on GBP upload, and the controlled tests (2024-2025) found no ranking lever, at best a localized trade-off.",
   "dead_origin_documents": []
  }
 ]
}