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llms.txt, robots.txt & sitemaps: invite AI crawlers in
llms.txt, robots.txt & sitemaps: invite AI crawlers in
Rankply · 16 June 2026 · 4 min read
The new file AI engines look for
llms.txt is a plain-text file at the root of your site that summarises who you are, what you do, and which pages matter most — written for AI crawlers, not humans. It's the fastest way to hand an engine a clean, unambiguous description of your brand instead of making it guess from your marketing prose.
The three files that matter
- llms.txt — a structured brand summary + links to your most important pages.
- robots.txt — must explicitly allow
GPTBot,ClaudeBot,PerplexityBot, andGoogle-Extended. Many sites block these by accident and then wonder why they never appear in AI answers. - sitemap.xml submitted to Google Search Console and Bing Webmaster Tools. Bing matters more than people think — ChatGPT Search runs on Bing's index.
Why it moves GEO
You're removing friction. When an engine can read a concise summary of your brand and is explicitly invited to crawl, you raise the odds of being included — and being described accurately — in generated answers.
How Rankply does this for you
Rankply generates your llms.txt from your brief, plus a robots.txt block that opens your site to the major AI crawlers, and your sitemap. If you work with a Rankply account manager, this is part of the on-site fixes: done by us with CMS access, otherwise sent to you as exact instructions. Either way it's about ten minutes of work, once.