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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, and Google-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.