llm.txt Checker
llms.txt · Audit
Check whether your site has a valid llm.txt / llms.txt file and what's inside.
Free Tool
llm.txt Generator
Generate an llms.txt file that helps AI tools understand what matters on your site. People search for «llm.txt», but the correct file name is llms.txt (with an «s»). Google does not use it; ChatGPT and Perplexity may benefit.
Free ✦ Preview your site structure, then email once for the full file
How it works
Enter your website
We discover pages from your sitemap (or a light homepage crawl when no sitemap exists) and show a free structure preview.
Generate after a quick email check
Email prevents abuse. Then we fetch key page titles and descriptions and build a curated llms.txt under a size budget.
Copy or download the file
Review the markdown preview, then publish it at yourdomain.com/llms.txt using the placement guide below.
Why llms.txt matters
AI tools often guess which pages on your site matter. An llms.txt file is a curated shortlist — titles, short descriptions, and section structure — so assistants can find your docs, product pages, and key content without scraping everything.
It does not replace robots.txt. Access rules still decide whether a crawler may fetch a URL. Google Search does not use llms.txt; ChatGPT and Perplexity may treat it as helpful guidance.
How to use it: where the file goes
llms.txt only works from the root of the domain — https://yourdomain.com/llms.txt, never a subfolder. Common setups:
Wix
Upload llms.txt via Site files / custom code hosting when available, or map an asset so https://yourdomain.com/llms.txt resolves at the root.
Shopify
Upload the file under Content, then add a URL redirect from /llms.txt to that asset so the root path resolves.
Squarespace
Host the file as a linked asset or code injection target so /llms.txt answers at the domain root — never a subfolder page.
WordPress
Upload llms.txt to the web root (same level as wp-config.php / index.php) — not inside wp-content.
Next.js, Nuxt, Astro
Add the file as public/llms.txt so it is served at https://yourdomain.com/llms.txt after deploy.
After you publish, open yourdomain.com/llms.txt in a browser to confirm the file is live, and keep robots.txt open to the AI crawlers you care about.
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