Category: Data & Experiments
Controlled experiments measuring how specific content variables affect AI citation rates. Each experiment isolates a single variable — structure, entity density, freshness, or platform behaviour — and tests it under documented conditions with replicable methodology. Results include raw citation data, statistical significance assessments, and practical recommendations based on observed effect sizes.
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System Memory in AI Search: 7-Month Citation Study (E014)
Read more →: System Memory in AI Search: 7-Month Citation Study (E014)Experiment E014 · System Memory longitudinal citation study · Feb–Sep 2026 Status: Closed 28 Sep 2026 · Dataset: Zenodo (CC BY 4.0) TL;DR: The GEO Lab’s E014 study tracked whether…
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Front-Loaded Statistics Did Not Earn AI Citations
Read more →: Front-Loaded Statistics Did Not Earn AI CitationsFront-Loaded Statistics Did Not Earn AI Citations By Artur Ferreira · The GEO Lab · Experiment E089 Put a hard number at the top of the page. Name the entities.…
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Gemini Citations Without Mentions: Your Site Gets Used but Not Named
Read more →: Gemini Citations Without Mentions: Your Site Gets Used but Not NamedGemini Citations Without Mentions: Your Site Gets Used but Not Named By Artur Ferreira · The GEO Lab · Experiment E035 Gemini citations appeared without any brand mention. In E035,…
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Perplexity Cites Soft-Brand Queries, Not Generic Ones: 51% vs 0%
Read more →: Perplexity Cites Soft-Brand Queries, Not Generic Ones: 51% vs 0%Soft-brand queries were cited by Perplexity 51.1% of the time versus 0% for generic queries across 70 measurements in E031. Dataset, method and caveats.
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How AI Citation Varies by Query Type: 750 Measurements
Read more →: How AI Citation Varies by Query Type: 750 MeasurementsAI citation rate varies by query type. In 750 controlled measurements on Perplexity, how-to phrased queries cited the same pages at 38.7% while direct fact queries cited at 9.3%. Pre-registered…
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How Long Before AI Search Cites a Page You Just Published?
Read more →: How Long Before AI Search Cites a Page You Just Published?How Long Before AI Search Cites a Page You Just Published? By Artur Ferreira · The GEO Lab How long before AI search cites a page you just published? In…
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Do AI Detection Scores Affect Google Indexing? I Tested 47 Posts
Read more →: Do AI Detection Scores Affect Google Indexing? I Tested 47 PostsDo AI Detection Scores Affect Google Indexing? I Tested 47 Posts By Artur Ferreira · The GEO Lab Experiment E064. Pre-registered analysis of whether AI detection scores predict Google indexing,…
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E108: I Ran a Stranger’s 50-Case Test Against My Instrument. The One Disagreement Was the Finding.
Read more →: E108: I Ran a Stranger’s 50-Case Test Against My Instrument. The One Disagreement Was the Finding.A blind run of citation-check against 50 external test cases. The results: 78/79 agreement where the instruments overlap, one construct boundary exposed, and a quantified map of what the instrument…
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Do AI Overview Citations Change? I Ran the Same Query 10 Times and Got Cited 6
Read more →: Do AI Overview Citations Change? I Ran the Same Query 10 Times and Got Cited 6One query, one page, ten renders in a single afternoon. Google cited the page six times and dropped it three. E101 proves citation is a per-render draw, not a fixed…
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Two Folds, One Corpus: Published Entity Folding Rules Tested Against connexion.me’s CRM Board
Read more →: Two Folds, One Corpus: Published Entity Folding Rules Tested Against connexion.me’s CRM BoardEntity folding decides whether a product reads as one row or twelve. Nine published rules applied to connexion.me’s 132 AI answers produce 96 canonicals against the board’s 95, and the…