llms.txt
In short
llms.txt is optional: decide yes or not yet, and link it from every page if you publish one. llms.txt explained is the next stop after llms.txt. Compare it with Sitemap and Markdown negotiation. Ora's lab found 86 percent of llms.txt fetches arrived through a link rather than a guessed path (October 2026).
Definition
A proposed plain-text file that points AI tools to a site's most useful pages, written for language models.
A dated example
- Read 4 Nov 2026
Ora's lab found 86 percent of llms.txt fetches arrived through a link rather than a guessed path (October 2026).
Where it matters
It is optional: decide yes or not yet, and link it from every page if you publish one.
Related terms
- SitemapA file that lists the pages you want automated visitors to find.
- Markdown negotiationA site returning a plain markdown version of a page when an agent asks for one with the header Accept: text/markdown.
Sources
- AgentReady.org guide (agentready.org), read 4 Nov 2026. Vendor claim.
Last reviewed