WP
Webster Pro
Webster Pro web crawler
About this crawler
Webster Pro is a web crawler identified by the regular-expression pattern Webster Pro in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block Webster Pro traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.52%
Technical details
- Name
- Webster Pro
- Pattern
Webster Pro- Tags
- http-library
- Added
- 2026/05/09
- Instances
- 2 known sample(s)
Sample User-Agent strings
Mozilla/4.7 (compatible; OffByOne; Windows 2000) Webster Pro V3.4
Mozilla/4.7 (compatible; OffByOne; Windows 98) Webster Pro V3.2
Block this crawler
robots.txt — disallow Webster Pro:
User-agent: Webster Pro
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Webster Pro [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Webster Pro") {
return 403;
}
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