Search & visibility
llms.txt
llms.txt is a text file in the root directory of a website that briefly describes to AI systems what the site is about and where to find its content.
Also known as: llms-full.txt
Last reviewed on September 16, 2026
What exactly does llms.txt mean?
The idea is similar to robots.txt, but with the opposite purpose: robots.txt controls what a crawler should not retrieve, while llms.txt offers what a model should understand — as a structured summary rather than a complete website.
It is still a young proposal, not a binding standard. The effort required is low, but there is no guaranteed effect yet.
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