Gigabot

search-engine Gigabot

Gigablast search engine web crawler bot

About this crawler

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

Block-rate · top 25k sites

1.2%
latest snapshot
2026-06-04
matched key: Gigabot
2026-05-012026-06-041.5%

Technical details

Name
Gigabot
Pattern
Gigabot
Tags
search-engine
Reference
http://www.gigablast.com/spider.html
Instances
2 known sample(s)

Sample User-Agent strings

Gigabot/1.0
Gigabot/2.0 (http://www.gigablast.com/spider.html)

Block this crawler

robots.txt — disallow Gigabot:

User-agent: Gigabot Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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