nerdybot

seo nerdybot

NerdyBot web crawler for content analysis

About this crawler

nerdybot is a web crawler identified by the regular-expression pattern nerdybot in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block nerdybot traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.065%
latest snapshot
2026-06-04
matched key: nerdybot
2026-05-012026-06-040.11%

Technical details

Name
nerdybot
Pattern
nerdybot
Tags
seo
Reference
http://nerdybot.com/
Added
2015/04/05
Instances
1 known sample(s)

Sample User-Agent strings

nerdybot

Block this crawler

robots.txt — disallow nerdybot:

User-agent: nerdybot Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} nerdybot [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "nerdybot") { return 403; }
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