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Get immediate analysis of which AI bots can crawl your website
Is Your Website Blocking AI Crawlers?
Check if GPTBot, ClaudeBot, and 27+ other AI crawlers can access your site
Instant analysis of your robots.txt file • 100% Free • No signup required
Key Features
29 AI Crawlers
Check GPTBot, ClaudeBot, Google-Extended, Baidu, and more
One-Click Fix
Generate optimized robots.txt to control AI access
AI Crawlers We Check
We detect 29 different AI bots including major LLMs, search engines, and Chinese AI services
360Spider
360 (奇虎360)
Amazonbot
Amazon
anthropic-ai
Anthropic
anthropic-research
Anthropic
Applebot-Extended
Apple
Baiduspider
Baidu (百度)
Bytespider
ByteDance
CCBot
Common Crawl
ChatGLM-Spider
Zhipu AI (智谱AI)
ChatGPT-User
OpenAI
Claude-Web
Anthropic
ClaudeBot
Anthropic
cohere-ai
Cohere
DeepSeekBot
DeepSeek (深度求索)
Diffbot
Diffbot
ErnieBot
Baidu (百度)
FacebookBot
Meta
Gemini-Deep-Research
Google
Google-Extended
Google
GPTBot
OpenAI
Meta-ExternalAgent
Meta
Meta-ExternalFetcher
Meta
MistralAI-User
Mistral AI
OAI-SearchBot
OpenAI
Omgilibot
Omgili
PanguBot
Huawei (华为)
PerplexityBot
Perplexity AI
Sogou
Sogou (搜狗)
YouBot
You.com
16
LLM Training
3
AI Search
10
Other AI Services
How to Check & Block AI Crawlers
1
Enter Your URL
Simply paste your website URL above. Our AI crawler checker will fetch and analyze your robots.txt file instantly.
2
View Detailed Report
See which AI bots are blocked or allowed. Get warnings about dangerous crawlers like Bytespider that ignore robots.txt.
3
Generate Block Rules
Get ready-to-use robots.txt or server configs (nginx, Apache, Cloudflare) to block unwanted AI crawlers.
Why Block AI Crawlers from Your Website?
Protect Your Content
- • Prevent AI models from training on your original content
- • Maintain copyright and intellectual property rights
- • Stop competitors from harvesting your data via AI tools
- • Protect premium or gated content from AI scraping
Save Bandwidth & Money
- • Reduce bandwidth costs by blocking unnecessary crawlers
- • Save up to 60-75% on CDN bills (real data from websites)
- • Prevent server overload from aggressive AI bots
- • Reduce hosting costs and improve site performance
Control & Compliance
- • Maintain full control over who accesses your data
- • Comply with GDPR and data privacy regulations
- • Prevent unauthorized commercial use of your content
- • Block specific AI companies selectively
Strategic Advantage
- • Allow AI search bots for visibility while blocking training
- • Negotiate licensing deals with AI companies
- • Join the 47% of news sites protecting their content
- • Future-proof your content strategy
Most Commonly Blocked AI Crawlers
Based on industry analysis, these are the AI bots website owners most frequently block to protect their content from unauthorized AI training:
GPTBot (OpenAI)
OpenAI's web crawler for training ChatGPT and GPT models
The most blocked AI crawler. Used by OpenAI to train GPT models. Respects robots.txt.
ClaudeBot (Anthropic)
Anthropic's web crawler for training Claude AI models
Anthropic's web crawler for Claude models. Respects robots.txt but has been reported for high-volume crawling.
CCBot (Common Crawl)
Common Crawl's bot, data used by many AI companies
Collects data that multiple AI companies use for training. Blocking CCBot prevents multiple AI models from accessing your content.
Bytespider (ByteDance)
⚠️ Ignores robots.txt • ByteDance's aggressive crawler for AI training (ignores robots.txt)
DANGEROUS: Ignores robots.txt rules. Requires server-level blocking (nginx/Apache/firewall) to stop it effectively.
Frequently Asked Questions
How do I block GPTBot and ClaudeBot?
Add these lines to your robots.txt file:
User-agent: GPTBot Disallow: / User-agent: ClaudeBot Disallow: /
Or use our tool above to generate a complete robots.txt with all AI crawlers.
Will blocking AI bots hurt my Google rankings?
No. Blocking AI training crawlers like GPTBot and ClaudeBot does NOT affect traditional search engine bots like Googlebot or Bingbot. Your SEO and search rankings will remain completely unaffected. These are separate crawlers with different purposes.
What if an AI bot ignores my robots.txt?
Some aggressive crawlers (like Bytespider, 360Spider, and ChatGLM-Spider) ignore robots.txt. For these, you need server-level blocking using nginx, Apache, Cloudflare WAF, or firewall rules. Our tool provides ready-to-use configs for all platforms.
Should I block all AI crawlers or just some?
It depends on your strategy. Block LLM training bots (GPTBot, ClaudeBot, CCBot) if you want to protect content from AI training. Allow AI search bots (PerplexityBot, OAI-SearchBot) if you want visibility in AI-powered search results and potential referral traffic. Use our selective blocking feature to customize your approach.
Protect Your Website from AI Scraping in 2025
As AI technology advances, AI web crawlers have become increasingly aggressive in collecting data for training large language models (LLMs). Major AI companies like OpenAI (ChatGPT), Anthropic (Claude), Google (Gemini), and Meta (Llama) deploy specialized AI bots to scrape web content without explicit permission.
CheckAIBots is a free AI crawler detection tool that helps website owners understand which AI bots can access their content. Our comprehensive checker analyzes your robots.txt file and identifies 29 different AI crawlers, including GPTBot, ClaudeBot, Google-Extended, Bytespider, CCBot, and many more.
Whether you're a news publisher, blogger, SaaS company, or e-commerce site, protecting your content from unauthorized AI training is crucial. With our tool, you can: check if your website blocks AI bots, generate custom robots.txt rules, create server-level blocking configurations for nginx and Apache, and calculate potential bandwidth savings from blocking AI crawlers.
Join thousands of website owners who use CheckAIBots to take control of their content and prevent unauthorized AI scraping. Our tool is 100% free, requires no signup, and provides instant results. Start protecting your website from AI crawlers today! Learn more about our mission and read our privacy policy.