The Complete llms.txt Guide: Syntax and Examples
llms.txt is a text file at your site root that tells AI "what matters here and where to look." If robots.txt is access rules, llms.txt is a guide map.What llms.txt is
When a large language model tries to understand your site, a human-written summary with priorities helps more than raw HTML. llms.txt provides that summary. The standard is still evolving, but a concise Markdown structure is widely used.
Basic syntax
Place the file at https://domain/llms.txt. Start with an H1 site name, a one-line summary as a blockquote, then link lists per section.
# ebiz365
> Guides and a free audit tool for web visibility in the AI-search era.
## Key guides
- [What is GEO](https://ebiz365.com/en/guides/what-is-geo): concept and start
- [llms.txt guide](https://ebiz365.com/en/guides/llms-txt-guide): examples
## Tools
- [GEO Audit Pro](https://geo.ebiz365.com): free 100-point audit
## Contact
- Email: contact@ebiz365.comWriting tips
- Keep it concise — the 10–20 most important pages.
- Add a one-line description after each link for context.
- Accuracy is everything — stale links or wrong summaries hurt trust.
- Optionally offer per-page
.mdversions to aid parsing.
How to validate
After deploying, confirm domain/llms.txt returns 200 and renders cleanly, and that every link works. To gauge your site's overall AI-readiness, check the structure and access items in a free audit.
Frequently Asked Questions
What is llms.txt?
A markdown-formatted text file placed at your site root that tells AI crawlers which documents matter most and in what order.
Where does llms.txt go?
At the domain root (for example https://example.com/llms.txt), served as text/plain, optionally alongside an llms-full.txt containing the full text.
Does llms.txt replace robots.txt?
No. robots.txt governs whether crawlers may access your site; llms.txt tells the ones that do arrive what to read first.
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