CM-905 · Info · not scored
llms.txt
llms.txt is a proposed Markdown file at /llms.txt that summarises a site for language models.
Also searched as
- what is llms.txt
- do i need llms.txt
- does google use llms.txt
What you might notice
Opening /llms.txt on your domain gives a 404, an HTML page (such as your app's 404 page or homepage) or an empty file.
Why it matters
In search engines
Google says Search doesn't use it.
In AI assistants
No major AI search engine documents reading it. It's harmless, and some coding tools read it.
How we test it
We check whether /llms.txt exists, isn't an HTML page and isn't empty.
How to fix it
Optional. If you publish one, generate it from the same source as your pages so it can't go out of date.
Related checks
- CM-203 Sitemap: Checks your sitemap, an XML list of the pages you want crawled, which Google and Bing read. This check looks for llms.txt, a Markdown summary of your site that no major search engine documents using.
- CM-902 Structured data: Checks JSON-LD, which Google reads for some rich results. Google says Search doesn't use llms.txt.
Sources
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