About AI-bot User Agent Strings

If you want your website to be findable in AI-chat systems, you should allow these bots by user agent strings:

  • GPTBot/1.0 — OpenAI's web crawler
  • ChatGPT-User/1.0 — ChatGPT browsing
  • ClaudeBot/1.0 — Anthropic's crawler
  • anthropic-ai/1.0 — Anthropic
  • PerplexityBot/1.0 — Perplexity AI
  • Google-Extended — Google's Gemini/Bard training crawler
  • Googlebot/2.1 — General Google crawler (also feeds AI)
  • FacebookBot/1.0 — Meta's crawler (feeds AI training)
  • meta-externalagent/1.1 — Meta AI crawler
  • YouBot/1.0 — You.com

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