Audit and measure real-world site performance.
Automated auditing tool from Google that scores pages on performance, accessibility, SEO, and best practices.
Runs real-browser performance tests from multiple global locations and connection speeds with detailed waterfall breakdowns.
Page speed testing service that combines Lighthouse scoring with historical trend tracking and detailed recommendations.
Google's free tool for checking real-world field data and lab performance scores for any public URL.
Looks up the install size and gzip/minified cost of any npm package before you add it to a project.
An open-source command-line toolset that runs real browser-based performance tests and Core Web Vitals tracking, built for self-hosting instead of relying on a hosted dashboard.
Crawls an entire site and runs a Lighthouse audit on every discovered page at once, instead of testing one URL at a time.