/llms.txt Checker
Enter any URL to check if it has a valid /llms.txt file — a standard for helping large language models understand your site's content. Preview the file, validate its format, and get actionable suggestions.
What is /llms.txt?
A proposed standard where websites provide a plain-text markdown file at /llms.txt that helps LLMs understand the site's structure, content, and key resources.
Why check?
Having a well-structured /llms.txt improves how AI tools reference your content. This checker validates format and offers concrete improvements.
Free & private
No sign-up required. Your URLs are checked in real-time and we don't store any data — enter any public URL instantly.
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