EasouSpider

search-engine EasouSpider

Chinese mobile search engine crawler largely dormant

About this crawler

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

Block-rate · top 25k sites

0.59%
latest snapshot
2026-06-04
matched key: EasouSpider
2026-05-012026-06-040.83%

Technical details

Name
EasouSpider
Pattern
EasouSpider
Tags
search-engine
Reference
http://www.easou.com/search/spider.html
Added
2026/05/02
rDNS suffixes
.easou.com
Instances
1 known sample(s)

rDNS verification (FCrDNS)

Verify a request is genuinely EasouSpider with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.

Sample User-Agent strings

Mozilla/5.0 (compatible; EasouSpider; +http://www.easou.com/search/spider.html)

Block this crawler

robots.txt — disallow EasouSpider:

User-agent: EasouSpider Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "EasouSpider") { return 403; }
← back to all crawlers