What is llms.txt?
llms.txt is a proposed standard file that gives large language models a curated, markdown-formatted map of your website's most important content.
·1 min read·geotechnical
Definition
llms.txt is a proposed web standard: a markdown file placed at the root of your domain (like robots.txt) that gives large language models a curated overview of your site's most important pages and what they contain.
Why use it
LLMs have limited context and crawling budget. llms.txt hands them a clean, structured summary, increasing the chance your content is understood and cited correctly in AI answers.
What it looks like
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Frequently asked questions
Is llms.txt an official standard?
It is a community proposal that has seen rapid adoption. Major AI crawlers increasingly check for it, and it costs almost nothing to add.