GEO glossary
llms.txt
llms.txt is a proposed plain-text file, placed at the root of a website, that tells AI systems what the site is about and points them to its most important content in a machine-readable form. It is an emerging convention for making a site legible to LLMs.
It complements, rather than replaces, robots.txt and sitemaps, and signals that a site has considered how AI systems consume it.
Related terms
- Structured data (schema.org) — Machine-readable tags that describe page content.
- Generative Engine Optimization (GEO) — Optimising a brand to be cited inside AI-generated answers.
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