llms.txt is the emerging standard (llmstxt.org) that tells AI assistants — ChatGPT, Claude, Perplexity, Gemini — what your business does and which pages matter. Fill this in and get a valid file in seconds. Runs entirely in your browser. No signup.
yourdomain.com/llms.txt — the same place as robots.txt.A good llms.txt helps — but AI assistants also weigh crawler access, structured data, answerable content and technical trust before they recommend you. See exactly where your site stands, free, in 30 seconds.
or get the full audit with every fix for $79A plain-text file at the root of your website (yoursite.com/llms.txt) that gives AI assistants a curated map of your business — what you do and which pages matter most — in a format they can read directly. Think of it as a README written for AI, not humans.
Upload it to your site's root directory so it's reachable at https://yourdomain.com/llms.txt, alongside robots.txt. On most hosts that's the public/web root; on a CMS, look for a "static files" or "root files" option.
No single file does. It makes your site easier for AI to understand, which is necessary but not sufficient. Crawler access, structured data (JSON-LD), and genuinely answerable content matter at least as much. Our free scan checks all of them.
Yes — it runs entirely in your browser, stores nothing, and requires no signup. The file is yours.