Author: Artur Ferreira
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10 Extractability Signals That Predict AI Citation
Read more →: 10 Extractability Signals That Predict AI CitationTen structural patterns that make content easier for AI systems to quote cleanly — the practitioner reference for Layer 2 of the GEO Stack.
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Claude Hits Record +72 on Perplexity. Ahrefs Bounces Back to Dominant. The June 2026 GEO Brand Citation Index.
Read more →: Claude Hits Record +72 on Perplexity. Ahrefs Bounces Back to Dominant. The June 2026 GEO Brand Citation Index.Claude Hits Record +72 on Perplexity. Ahrefs Bounces Back to Dominant. The June 2026 GEO Brand Citation Index. By Artur Ferreira · The GEO Lab · Published: 17 June 2026…
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Month 0: Why Every GEO Content Plan Needs a Baseline Before Month 1
Read more →: Month 0: Why Every GEO Content Plan Needs a Baseline Before Month 1The measurement step that makes every phase of a GEO content strategy interpretable — and the experiment at The GEO Lab that made it unavoidable.
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Share of Model: Why Citation-Share Metrics Need a Noise Floor Before They Mean Anything
Read more →: Share of Model: Why Citation-Share Metrics Need a Noise Floor Before They Mean AnythingBy Artur Ferreira · The GEO Lab · Published: 14 June 2026 Share of Model: Why Citation-Share Metrics Need a Noise Floor Before They Mean Anything The metric is citation…
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Cited Into Irrelevance: What Happens When AI Answers Your Questions Better Than Your Pages Do
Read more →: Cited Into Irrelevance: What Happens When AI Answers Your Questions Better Than Your Pages DoFirst-party GSC and GA4 data showing that the most-cited pages on AI search engines receive almost no referral traffic — and what the citation-to-referral gap means for how you report…
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AI Referral Traffic 3x’d: What It Actually Means to Measure
Read more →: AI Referral Traffic 3x’d: What It Actually Means to MeasureCrawler hits, conversation citations, and referral sessions are three different things. Most AI visibility reports treat them as one. Here’s the framework that separates them.
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Tier 1 vs Tier 2 Query Citation Gap: Experimental Evidence
Read more →: Tier 1 vs Tier 2 Query Citation Gap: Experimental Evidence25 Tier 2 checks. Zero citations. 25 Tier 1 checks. 20 citations. Same site, same content, five consecutive days. The gap didn’t close once.
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Does Query Phrasing Decide Citation Rate? Pre-Registering E026
Read more →: Does Query Phrasing Decide Citation Rate? Pre-Registering E026Does Query Phrasing Decide Citation Rate? Pre-Registering E026 By Artur Ferreira · The GEO Lab · Published: 9 June 2026 · Version 1.0 Does query phrasing change citation rate? 150…
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Zero-Variance Mechanism Capture: Retrieval-Layer vs Synthesis-Layer Determinism
Read more →: Zero-Variance Mechanism Capture: Retrieval-Layer vs Synthesis-Layer DeterminismE043 identifies where Perplexity’s 14-day zero-variance citation binding lives: synthesis-layer determinism, not retrieval-layer. Three queries, three days of Chrome DevTools capture.
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Before You Trust Any GEO Experiment Result, Ask About the Noise Floor
Read more →: Before You Trust Any GEO Experiment Result, Ask About the Noise FloorCitation rate on Perplexity varies by ±4-6 percentage points day to day with no content changes. E016 established this noise floor. Any GEO experiment reporting a delta smaller than the…