# What Is llms.txt?

llms.txt is a simple way to guide AI systems toward useful website resources.

Canonical URL: https://truborankai.com/blog/what-is-llms-txt

Author: TruboRankAI
Published: April 30, 2026
Updated: July 18, 2026

## Quick Answer

llms.txt is a proposed text file placed at the site root to help AI agents understand important pages, documentation, and machine-readable resources.

## AI Summary

An llms.txt file can describe a website and link to key resources. It is optional and does not guarantee citations, but it may help AI agents navigate your content.

## Main Explanation

Think of llms.txt as a concise map for AI agents. It can point to product pages, docs, pricing, APIs, Markdown files, and policy pages.

The best files are short, clear, and maintained.

## Practical Steps

1. Place it at /llms.txt.
2. Describe your website in plain language.
3. Link to important resources.
4. Keep it updated when your site changes.

## FAQ

### Is llms.txt official?

It is an emerging convention, not a universal standard.

### Should I include every URL?

No. Include the most useful and authoritative resources.

### Can I link Markdown files?

Yes. Markdown links can be helpful for AI agents.

## Editorial Methodology

TruboRankAI publishes practical guidance from observable website signals, reproducible checks, and cited primary or first-party references when platform behavior or measured claims can change. Crawler access, indexing, search visibility, mentions, citations, referral visits, and conversions are treated as separate signals. Readers should verify time-sensitive settings and policies against the linked official documentation.

## Related Internal Links

- [llms.txt Checker](/llms-txt-checker)
- [llms.txt Generator](/llms-txt-generator)
- [AI Discoverability Checker](/ai-discoverability-checker)
- [Pricing](/pricing)