Gregarius
Gregarius RSS feed aggregator
About this crawler
Gregarius is a web crawler identified by the regular-expression pattern Gregarius\/ in the User-Agent request header. It is categorised as feed-reader. Use the regex above to detect, log, allow, or block Gregarius traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- Gregarius
- Pattern
Gregarius\/- Tags
- feed-reader
- Reference
- http://devlog.gregarius.net/docs/ua
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Gregarius/0.5.2 ( http://devlog.gregarius.net/docs/ua)
Block this crawler
robots.txt — disallow Gregarius:
User-agent: Gregarius
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Gregarius\/ [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Gregarius\\/") {
return 403;
}
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