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Études

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Gap between average SEO score and average AI visibility score across 2,563 websites audited in 2026
GEO9 min read

GEO Readiness Study 2026: 2,563 Sites Ready for Google, Not for ChatGPT

We audited 2,563 sites: 63.5/100 on SEO, 45.1 on AI visibility, and on 97.8% of pages fewer than half the sections open with a citable passage.

Split between brand sites, press coverage and social platforms in AI engine citations — comparison of four 2026 studies
GEO9 min read

AI Citations: Brand or Press? What 4 Contradicting Studies Actually Reveal (2026)

Two studies clash on AI citations: 86% brand-owned vs 84% earned media. Here's why the numbers disagree, and what it means for your GEO strategy.

Abstract illustration of a scientific chart scoring GEO tactics, some effective, some with no measured effect
GEO10 min read

GEO in 2026: What the Research Actually Shows Works (and What's Just Hype)

A July 2026 review of 45 studies pulls apart the GEO hype: which tactics have real scientific backing, and which ones have none at all.

Overlap between Google's top 10 and the sources cited by AI engines — University of Toronto study, 2026
GEO9 min read

Study: ChatGPT's Sources Only Overlap Google's Top 10 by 4%

Toronto researchers compared the sources cited by GPT-4o, Claude, Gemini and Perplexity with Google's top 10: just 4 to 15% overlap in results.

AI visibility ranking of 100 French media sites — LightSpot 2026 study
GEO9 min read

French Media AI Visibility Study: 100 Sites Audited, None Above a C

We audited 100 leading French media sites on 46 criteria. Average score: 46/100. None reaches grade B, and every one fails complete Article structured data.