With both solutions measuring user experience metrics, it is natural to assume that they should be equivalent. It can be confusing when we see differences. This guide will explain why that can happen, and offers suggestions for what to do when the numbers do not align.

A great way to get a RUM overview of a page’s performance, at low cost, very quickly.

track and measure the performance of sites that use popular JavaScript frameworks and libraries.

The Chrome User Experience Report (CrUX for short) addresses this gap by providing aggregate data from real users across the top sites on the web. With it, you can confidently perform a competitive analysis of sites knowing that the data is backed by real user experiences.