Category

Études

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

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 results: just 4 to 15% overlap. What it means for AI visibility.

July 23, 2026
AI visibility ranking of 100 French media sites — LightSpot 2026 study
GEO9 min

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.

July 14, 2026