llms.txt is a proposed web standard that gives AI language models a clean markdown summary of your website. It lives at your site root (yourdomain.com/llms.txt) and lists your most important pages with descriptions.

Do AI companies actually read llms.txt?

As of 2026, no major AI vendor has officially confirmed reading llms.txt, and Google says it can be ignored for AI search. However, Lighthouse 13.3 audits its format and adoption is growing. It is a low-cost hedge that takes minutes to add.

Where do I upload my llms.txt file?

Upload it to your website root directory so it is accessible at yourdomain.com/llms.txt, the same location pattern as robots.txt.

What is the difference between llms.txt and llms-full.txt?

llms.txt is a curated index of your key pages with links. llms-full.txt contains the complete flattened content of your site in one markdown file, so AI systems can read everything without crawling.

llms.txt Generator

Create a spec-compliant llms.txt file in under 2 minutes. Describe your site, add your key pages, and download a file that follows the llmstxt.org format.

2026 honest status: No major AI vendor has confirmed reading llms.txt, and Google's AI guidance says it can be ignored. But Lighthouse 13.3 now audits its format, adoption is growing, and it costs nothing to add. Treat it as a cheap hedge, not a ranking factor. It adds up to 10 points to your AI Visibility Score.

Site Information

Site or project name * One-line summary (shown as blockquote) Detailed description (optional, a few sentences of context)

Sections & Pages

Group your most important pages into sections like "Docs", "Guides", or "Products". Each link needs a title and URL. Add a short note to help AI understand what each page covers.

Add an "Optional" section (secondary URLs that can be skipped for shorter context)

Quick Templates

Your llms.txt

# Your Site Name

> One-line summary of what your site does.

Fill in the form to generate your llms.txt file.

Install: Upload the file to your site root so it is reachable at yourdomain.com/llms.txt. Then run a free check to verify it is detected.

What is llms.txt?

llms.txt is a proposed web standard (from llmstxt.org, September 2024) that gives large language models a clean, markdown-formatted summary of your website. It lives at your site root, like robots.txt, and lists your most important pages with short descriptions.

While robots.txt controls access, llms.txt provides context. The two files work together: robots.txt decides which bots get in, and llms.txt helps AI systems understand what they find. Read our full llms.txt guide for the complete picture.

llms.txt format rules

Starts with an H1 heading with your site or project name (required)
Followed by a blockquote with a one-line summary
Optional paragraphs with more detail
H2 sections group related links: - [Title](url): description
An ## Optional section marks lower-priority URLs that AI can skip when context is limited