Nicecrawler

search-engine Nicecrawler

Nicecrawler web crawler for discovery

About this crawler

Nicecrawler is a web crawler identified by the regular-expression pattern Nicecrawler in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block Nicecrawler 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: Nicecrawler
2026-05-012026-06-040.26%

Technical details

Name
Nicecrawler
Pattern
Nicecrawler
Tags
search-engine
Reference
http://www.nicecrawler.com/
Added
2023/09/08
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Nicecrawler/1.1; +http://www.nicecrawler.com/) Chrome/90.0.4430.97 Safari/537.36

Block this crawler

robots.txt — disallow Nicecrawler:

User-agent: Nicecrawler Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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