TL;DR
The Chrome User Experience Report (CrUX) is a public Google dataset of real-user performance data collected from opted-in Chrome users, aggregated by origin and URL, and updated monthly with a rolling 28-day window.
What is Chrome User Experience Report (CrUX) (CrUX)?
The Chrome User Experience Report (CrUX) is a public Google dataset of real-user performance data collected from opted-in Chrome users, aggregated by origin and URL, and updated monthly with a rolling 28-day window.
Learn more in our working with CrUX data guide, or work with us through our done-for-you speed optimization service.
How CrUX is Measured
CrUX data is accessible through PageSpeed Insights, the CrUX API, the CrUX Dashboard, and BigQuery.