colly

http-library colly

Colly Go web crawler framework

About this crawler

colly is a web crawler identified by the regular-expression pattern colly in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block colly 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
colly
Pattern
colly
Tags
http-library
Reference
https://go-colly.org
Added
2026/04/07
Instances
2 known sample(s)

Sample User-Agent strings

colly - https://github.com/gocolly/colly
colly/2.1.0

Block this crawler

robots.txt — disallow colly:

User-agent: colly Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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