llms.txt Generator & Validator
Generate and validate spec-compliant llms.txt & llms-full.txt files for AI agents.
AI Crawler robots.txt Audit & Checker
Audit which AI scrapers and LLM bots (GPTBot, ClaudeBot, etc.) are blocked or allowed.
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About AI Crawler robots.txt Audit & Checker
Analyze your robots.txt to inspect crawl permissions for all major AI models, search crawlers, and LLM training bots. See live status for GPTBot, ClaudeBot, PerplexityBot, Google-Extended, CCBot, Bytespider, and Applebot.
Why audit your robots.txt for AI crawlers?
AI companies crawl websites for two very different reasons: 1) AI model training (scraping articles, creative work, and data to train future foundational models without attribution or traffic), and 2) Live AI search and retrieval (such as Perplexity or SearchGPT answering user queries with direct links back to your site). Auditing your robots.txt allows you to fine-tune who gets access.
Which AI crawlers does this tool check?
We audit over 14 primary AI agents: OpenAI (GPTBot, ChatGPT-User, OAI-SearchBot), Anthropic (ClaudeBot, anthropic-ai), Google (Google-Extended, GoogleOther), Perplexity (PerplexityBot), Common Crawl (CCBot), ByteDance (Bytespider), Meta (FacebookBot, Meta-ExternalAgent), Apple (Applebot-Extended), Amazon (Amazonbot), and Cohere (cohere-ai).
How do I block AI model training without losing search engine traffic?
Disallow bots like GPTBot, ClaudeBot, CCBot, Bytespider, and Google-Extended, while allowing standard search bots (Googlebot, Bingbot) and live citation bots (OAI-SearchBot, PerplexityBot). Our tool provides a pre-configured copy-paste snippet.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Ai Robots Txt Audit on Wikipedia. More: all seo tools.
Frequently Asked Questions about AI Crawler robots.txt Audit & Checker
Does blocking GPTBot affect my Google rankings?
No. GPTBot is used exclusively by OpenAI for AI model training. Google search rankings are governed by Googlebot, which is completely separate.
What is Google-Extended?
Google-Extended is the crawler token Google provides to let webmasters opt out of Gemini and Vertex AI generative model training without affecting Googlebot search indexation.
How do I check if a website has a robots.txt file?
Enter any website URL above: the tool fetches its /robots.txt live. If the file is missing or unreachable, it says so instead of guessing, and you can paste any rules manually to audit them the same way.
Can I check one robots.txt file against many bots at once?
Yes. One fetch covers 14 bots — GPTBot, ClaudeBot, PerplexityBot, CCBot, Bytespider and more — each with allow or block status, plus a copy-paste snippet to enforce your choice.
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