Why is CrUX data different from my RUM data?
Learn about reasons why RUM data can show different Core Web Vitals numbers from CrUX.
Chrome UX Report
Our latest news, updates, and stories about Chrome UX Report.
Find your way with field data in the Web Vitals extension update
The Web Vitals extension now shows you where your local experiences are in relation to real user experiences in the field.
Evolving Cumulative Layout Shift in web tooling
Starting today, a change to CLS has been rolled out across a number of Chrome's web tooling surfaces including Lighthouse, PageSpeed Insights, and Chrome UX Report.
How Mercado Libre optimized for Web Vitals (TBT/FID)
Optimizing interactivity of product details pages for a 90% reduction in Max Potential FID in Lighthouse and a 9% improvement in FID in Chrome User Experience Report.
Using the Chrome UX Report API
Learn how to use the Chrome UX Report API to get easy, RESTful access to real-user experience data across millions of websites.
