Category: Data & Studies
Research, surveys, and data on AI search and GEO.
-

We Asked 3 AI Engines the Same 12 Questions — They Cite Almost Nobody in Common
GEO Lab experiment: we asked Perplexity, Google, and ChatGPT the same 12 GEO questions. Of 231 cited domains, only 3% were cited by all three and 84% by just one. There is no single “AI SEO” — here’s the data.
-

Is llms.txt Worth It? What 137,000 Websites Reveal (2026 Data)
The largest study yet (137,210 domains) shows 97% of llms.txt files get zero requests, and AI search bots account for just 1.1% of fetches. Here’s the honest verdict on whether llms.txt is worth it for GEO in 2026 — and what to do instead.
-

AI Search Trust Is Cooling: Usefulness Sentiment Fell From 82% to 54% in a Year
The share of people who find AI search more useful than traditional search fell from ~82% to ~54% in a year, and Google still wins trust 3:1. Here’s the data and what it means for GEO.