discoverybot
Discovery Engine crawler
About this crawler
discoverybot is a web crawler identified by the regular-expression pattern discoverybot in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block discoverybot traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.33%
Technical details
- Name
- discoverybot
- Pattern
discoverybot- Tags
- search-engine
- Reference
- http://discoveryengine.com/discoverybot.html
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; discoverybot/2.0; +http://discoveryengine.com/discoverybot.html)
Block this crawler
robots.txt — disallow discoverybot:
User-agent: discoverybot
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} discoverybot [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "discoverybot") {
return 403;
}
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