Pagespeed
Performance analysis crawler assessing web page metrics
About this crawler
Pagespeed is a web crawler identified by the regular-expression pattern Pagespeed\/ in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block Pagespeed traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- Pagespeed
- Pattern
Pagespeed\/- Tags
- monitoring
- Reference
- https://www.pagespeed.de/
- Added
- 2026/04/17
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/5.0 (compatible; Pagespeed/1.1 Fetcher; +http://www.pagespeed.de)
Block this crawler
robots.txt — disallow Pagespeed:
User-agent: Pagespeed
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Pagespeed\/ [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Pagespeed\\/") {
return 403;
}
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