SiteSucker
macOS website downloading and offline browsing tool crawler
About this crawler
SiteSucker is a web crawler identified by the regular-expression pattern SiteSucker in the User-Agent request header. It is categorised as archiver. Use the regex above to detect, log, allow, or block SiteSucker traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.39%
Technical details
- Name
- SiteSucker
- Pattern
SiteSucker- Tags
- archiver
- Reference
- https://ricks-apps.com/osx/sitesucker/
- Added
- 2026/04/26
- Instances
- 1 known sample(s)
Sample User-Agent strings
SiteSucker for macOS/6.1.5
Block this crawler
robots.txt — disallow SiteSucker:
User-agent: SiteSucker
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} SiteSucker [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "SiteSucker") {
return 403;
}
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