Bots by company
Common Crawl bots and crawlers
Common Crawl is a non-profit that publishes a free, open archive of web crawl data that many AI models have been trained on.
Common Crawl bots at a glance
- Common Crawl runs 1 bot listed in this directory.
- They belong to: AI Training Crawlers.
- Each Common Crawl bot has its own robots.txt token, so each purpose can be allowed or blocked separately.
- Website: commoncrawl.org
Every Common Crawl bot
| Bot | Group | Purpose | robots.txt | For GEO |
|---|---|---|---|---|
| CCBot | AI Training Crawlers | AI trainingOfficial docs | Yes | Your choice |
Block or allow all Common Crawl bots
The rules below name every Common Crawl token in this directory. To block training but keep AI search, delete the search and assistant tokens from the block rule.
robots.txt: block
# Block all Common Crawl bots
User-agent: CCBot
Disallow: /robots.txt: allow
# Allow all Common Crawl bots
User-agent: CCBot
Allow: /robots.txt: partial
# Keep all Common Crawl bots out of private areas only
User-agent: CCBot
Disallow: /wp-admin/
Disallow: /cart/
Disallow: /checkout/
Disallow: /my-account/
Allow: /Nginx
# Nginx: return 403 to all Common Crawl bots
if ($http_user_agent ~* "(CCBot)") {
return 403;
}Apache
# Apache .htaccess: return 403 to all Common Crawl bots
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (CCBot) [NC]
RewriteRule .* - [F,L]Cloudflare WAF
# Cloudflare > Security > WAF > Custom rule, action: Block
(http.user_agent contains "CCBot")See which of these bots actually reach your website
The AI Log File Analyzer by Justin Hà counts visits from GPTBot, ClaudeBot, PerplexityBot and other AI crawlers in your server log, for free. The GEO Technical Package sets up robots.txt, llms.txt and crawler access for AI search.
