Which popular websites have an llms.txt?

llms.txt adoption by category

llms.txt adoption by country and suffix

All suffixes

Top 500 of 1,274 sites with an llms.txt

Sorted by popularity. The full list with an llms_txt column is in the CSV.

FAQ

What is llms.txt?

llms.txt is a plain-text (Markdown) file at /llms.txt that gives AI models a short, curated guide to a website: what it is and which pages matter. It is a proposal, not a standard that every AI product reads.

How many websites have an llms.txt?

As of 2026-10-02, 1,274 of 8,366 popular websites (15.2%) serve an llms.txt file, the plain-text guide for AI models; among the top 100 sites it is 16 of 84. Sites with an llms.txt block GPTBot 4.2% of the time, sites without one 13.4%.

Does llms.txt replace robots.txt?

No. robots.txt tells crawlers what they may fetch; llms.txt suggests what to read. A site can serve both, and the data above shows how often they appear together.