Chrome User Experience Report (CrUX)

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PageSpeed Metrics

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2026-10-10

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1. ▲
   Chrome User Experience Report (CrUX) developer.chrome.com

   site category #wpo link ↗

   Origin-level real-user performance data from Chrome users.

2. ▲
   Critical rendering path developers.google.com

   site category #pagespeed-metrics link ↗
3. ▲
   PageSpeed Insights Rules developers.google.com

   site category #wpo link ↗

   A guide created by PageSpeed Team. Deprecated. This is deprecated and will be shut down in May 2019. Version 5 is the latest and provides both real-world data from the Chrome User Experience Report and lab data from Lighthouse.

   
4. ▲
   Core Web Vitals Report corewebvitals.io

   site category #wpo link ↗

   Generate a Core Web Vitals report using CrUX historical data.

5. ▲
   SpeedCurve LUX speedcurve.com

   site category #pagespeed-metrics link ↗
6. ▲
   Docs - User-centric Performance Metrics - web.dev web.dev

   site category #pagespeed-metrics link ↗