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llms.txt is the emerging standard that tells AI assistants — ChatGPT, Claude, Perplexity — what your site is and which pages matter most. Fill the fields, copy the file, and upload it to your site root at /llms.txt.
llms.txt is step one. AUDXY checks whether AI crawlers can reach you, whether your content is extractable, and what's blocking you — free teaser in seconds.
Scan my site — free →llms.txt is a plain-Markdown file at your site root that gives large language models a curated map of your site — your summary and the pages worth reading — so AI answers about you are accurate. It complements (doesn't replace) robots.txt and a sitemap. Place it at https://yoursite.com/llms.txt.
No standard is universally honoured yet, but adoption is growing fast and it costs nothing to add. It's a low-effort, future-facing signal — exactly the kind of edge most sites are missing.