WebAlta Crawler

search-engine WebAlta Crawler

WebAlta Russian search bot

About this crawler

WebAlta Crawler is a web crawler identified by the regular-expression pattern WebAlta Crawler in the User-Agent request header. It is categorised as search-engine. Use the regex above to detect, log, allow, or block WebAlta Crawler 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: WebAlta Crawler/1.3.25
2026-05-022026-06-040.15%

Technical details

Name
WebAlta Crawler
Pattern
WebAlta Crawler
Tags
search-engine
Reference
http://www.webalta.net/ru/about_webmaster.html
Added
2026/05/09
Instances
1 known sample(s)

Sample User-Agent strings

WebAlta Crawler/2.0 (http://www.webalta.net/ru/about_webmaster.html) (Windows; U; Windows NT 5.1; ru-RU)

Block this crawler

robots.txt — disallow WebAlta Crawler:

User-agent: WebAlta Crawler Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

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