Gaisbot

academic Gaisbot

Academic research web crawler from Taiwan university project

About this crawler

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

Block-rate · top 25k sites

0.33%
latest snapshot
2026-06-04
matched key: Gaisbot
2026-05-012026-06-040.92%

Technical details

Name
Gaisbot
Pattern
Gaisbot
Tags
academic
Reference
http://gais.cs.ccu.edu.tw/robot.php
Added
2026/04/26
Instances
1 known sample(s)

Sample User-Agent strings

Gaisbot/3.0 ([email protected]; http://gais.cs.ccu.edu.tw/robot.php)

Block this crawler

robots.txt — disallow Gaisbot:

User-agent: Gaisbot Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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