llms.txt
llms.txt is an emerging LLM-friendly entry file listing site purpose, key URLs, and citation preferences. Not an official standard but useful for AEO.
Definition
llms.txt is an LLM/AI-facing entry file (conceptually similar to robots.txt but with different goals). It usually lists site purpose, key URLs, language structure, and preferred citation. It’s not an official SEO standard, but it can be useful for AEO and AI-driven discovery.
Why it matters
- Helps AI systems discover authoritative entry points
- Reduces accidental mis-citation by guiding what matters
- Provides clear language and citation preferences
How to implement
- Publish /llms.txt at the site root with key URLs
- Document language paths (e.g. /en) and knowledge endpoints (knowledge.json)
- Keep it concise and updated
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Tutorials
FAQ
Common questions about this term.