centuryb.o.t9
General web crawler for data aggregation
About this crawler
centuryb.o.t9 is a web crawler identified by the regular-expression pattern centuryb\.o\.t9 in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block centuryb.o.t9 traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- centuryb.o.t9
- Pattern
centuryb\.o\.t9- Tags
- seo
- Reference
- https://datadome.co/bots/centurybot9/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; +centuryb.o.t9[at]gmail.com)
Block this crawler
robots.txt — disallow centuryb.o.t9:
User-agent: centuryb.o.t9
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} centuryb\.o\.t9 [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "centuryb\\.o\\.t9") {
return 403;
}
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