As AI systems replace traditional search for many queries, having your website readable by AI is as important as having it readable by Google. llms.txt is your AI-era robots.txt.
AI Systems Read It Directly
ChatGPT Browse, Perplexity, Claude, and other AI systems actively crawl llms.txt to understand what your website is about, what expertise you have, and which pages contain what information.
Get Cited in AI Answers
When someone asks an AI "what's the best agency for website monitoring?" — AI systems that have indexed your llms.txt are more likely to mention and cite your brand as a relevant answer.
llms.txt vs llms-full.txt
llms.txt is concise — your site name, description, and a list of key pages with short descriptions. llms-full.txt is the verbose version with full page details, giving AI systems deeper context.
Works Alongside SEO
llms.txt doesn't replace your SEO — it complements it. While SEO helps Google find you, llms.txt helps AI answer engines understand and cite you. You need both for complete digital visibility in 2025+.
Once generated, follow these 3 simple steps to make your website AI-visible.
Generate your files above
Enter your website URL and click Generate. We crawl your pages, extract titles and descriptions, and build both llms.txt and llms-full.txt in the standard format AI systems expect.
Upload to your website root
Download both files and upload them to the root folder of your website — the same folder where your index.html lives. After uploading, verify they are accessible at yoursite.com/llms.txt and yoursite.com/llms-full.txt.
Add a link in your HTML (optional but recommended)
Add <link rel="llms" href="/llms.txt"> in your <head> tag to explicitly tell AI crawlers where to find your file. Then monitor your AI visibility with Alert91's AEO checker.
Websites with llms.txt get better AI representation across all major AI platforms.
AI systems are more likely to cite websites they can fully understand
Control how AI systems describe your brand and expertise
As AI search grows, llms.txt becomes as important as your sitemap
Generate, download, upload — it is that simple
Also generate your Sitemap.xml
A sitemap helps Google and Bing discover your pages faster. Without one, search engines may miss important content. Use our free Sitemap Generator, then submit it to Google Search Console.
Everything you need to know about llms.txt, llms-full.txt, and AI visibility.
llms.txt is a plain text file placed at the root of your website (yoursite.com/llms.txt) that tells AI language models what your site is about. It lists your site's name, a short description, and links to your key pages with brief summaries. Think of it as a table of contents for AI systems — the equivalent of robots.txt but for AI crawlers.
llms-full.txt is the verbose companion to llms.txt. While llms.txt gives AI a quick overview, llms-full.txt provides detailed information about every page — title, description, headings, and content context. AI systems with deep crawling capability use llms-full.txt to understand your site at a much deeper level, increasing your chances of being cited accurately.
Yes. ChatGPT Browse, Perplexity, Claude, and other AI systems with web access actively read llms.txt files when crawling websites. Having a well-structured llms.txt increases the likelihood that AI systems understand your content accurately and cite your website when answering relevant questions. It is part of a broader AEO (Answer Engine Optimisation) strategy.
Absolutely. If your site doesn't have a sitemap.xml, our tool automatically crawls your homepage and follows internal links to discover your pages. We then generate llms.txt and llms-full.txt for you. We also recommend using our free Sitemap Generator to create a proper sitemap and submit it to Google Search Console.
Upload llms.txt to the root directory of your website so it is accessible at yourdomain.com/llms.txt. Upload llms-full.txt so it is accessible at yourdomain.com/llms-full.txt. For WordPress sites, you can upload via cPanel File Manager or FTP to the public_html folder. For other hosting, use your host's file manager or FTP client.
Regenerate your llms.txt whenever you add significant new pages, change your site's focus, or do a major content update — roughly every 1-3 months. Just come back to this tool, run it again, and re-upload the new files. Fresh, accurate llms.txt files help AI systems stay updated with your latest content.
Yes, completely free. No signup, no credit card, no limits per use (up to 15 uses per hour per IP). You can generate files for as many websites as you need. Alert91 offers this free tool as part of our commitment to helping website owners and agencies improve AI visibility.
Monitor Your AI Visibility Continuously
Adding llms.txt is step one. Alert91 monitors your AEO/GEO score, tracks when AI systems can access your site, and alerts you to drops in AI visibility — across all your client sites.