Chrome-Lighthouse

monitoring Chrome-Lighthouse

Chrome Lighthouse web crawler for audits

About this crawler

Chrome-Lighthouse is a web crawler identified by the regular-expression pattern Chrome-Lighthouse in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block Chrome-Lighthouse 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: Chrome-Lighthouse
2026-05-012026-06-040.11%

Technical details

Name
Chrome-Lighthouse
Pattern
Chrome-Lighthouse
Tags
monitoring
Reference
https://pagespeed.web.dev/?utm_source=psi&utm_medium=redirect
Added
2019/03/15
Instances
5 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5 Build/MRA58N) AppleWebKit/537.36(KHTML, like Gecko) Chrome/69.0.3464.0 Mobile Safari/537.36 Chrome-Lighthouse
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36(KHTML, like Gecko) Chrome/69.0.3464.0 Safari/537.36 Chrome-Lighthouse
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3694.0 Safari/537.36 Chrome-Lighthouse
Mozilla/5.0 (Linux; Android 7.0; Moto G (4)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4695.0 Mobile Safari/537.36 Chrome-Lighthouse
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3694.0 Mobile Safari/537.36 Chrome-Lighthouse

Block this crawler

robots.txt — disallow Chrome-Lighthouse:

User-agent: Chrome-Lighthouse Disallow: /

Apache .htaccess — return 403:

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

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "Chrome-Lighthouse") { return 403; }
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