radian6

social-preview radian6

Radian6 social media crawler

About this crawler

radian6 is a web crawler identified by the regular-expression pattern radian6 in the User-Agent request header. It is categorised as social-preview. Use the regex above to detect, log, allow, or block radian6 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
radian6
Pattern
radian6
Tags
social-preview
Reference
http://www.radian6.com/crawler
Added
2026/05/09
Instances
1 known sample(s)

Sample User-Agent strings

radian6_default_(www.radian6.com/crawler)

Block this crawler

robots.txt — disallow radian6:

User-agent: radian6 Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} radian6 [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "radian6") { return 403; }
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