DeuSu

search-engine DeuSu\/

DeuSu web crawler for search indexing

About this crawler

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

Block-rate · top 25k sites

0.20%
latest snapshot
2026-06-04
matched key: DeuSu
2026-05-012026-06-040.29%

Technical details

Name
DeuSu
Pattern
DeuSu\/
Tags
search-engine
Reference
https://deusu.de/robot.html
Added
2016/01/23
Instances
2 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; DeuSu/0.1.0; +https://deusu.org)
Mozilla/5.0 (compatible; DeuSu/5.0.2; +https://deusu.de/robot.html)

Block this crawler

robots.txt — disallow DeuSu:

User-agent: DeuSu Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "DeuSu\\/") { return 403; }
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