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Lighthouse 8.0 is here! ⚡
Improved CWV balance for the Performance Score, Lighthouse Treemap and metric filtering now in PSI and Canary DevTools, and a brand new CSP audit!
Lighthouse 8.0
Analyze web apps & sites, collect modern performance metrics
Modernizr tells you what HTML, CSS and JavaScript features the user’s browser has to offer.
Modernizr
Modernizr your web to see equal in older browsers.
Web.dev is the ultimate resource for developers of all backgrounds to learn, create, and solve on the web. It's meant to not only educate developers, but help them apply what they've learned to any site they work on, be it personal or business.
Web.dev by Google
Learn how to build for the web and see where you stand 🌟