WS
Web spyder
Web spyder crawler
About this crawler
Web spyder is a web crawler identified by the regular-expression pattern Web spyder in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block Web spyder traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- Web spyder
- Pattern
Web spyder- Tags
- http-library
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Web spyder
Block this crawler
robots.txt — disallow Web spyder:
User-agent: Web spyder
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Web spyder [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Web spyder") {
return 403;
}
← back to all crawlers