zenback bot

seo zenback bot

Zenback web crawler for content discovery

About this crawler

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

Block-rate · top 25k sites

0.065%
latest snapshot
2026-06-04
matched key: zenback bot
2026-05-012026-06-040.11%

Technical details

Name
zenback bot
Pattern
zenback bot
Tags
seo
Reference
https://corp.logly.co.jp/
Added
2020/03/16
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; zenback bot; powered by logly +http://corp.logly.co.jp/)

Block this crawler

robots.txt — disallow zenback bot:

User-agent: zenback bot Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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