The Core Web Vitals are a set of metrics that represent the most important indicators of a site's UX performance, focusing on load performance, interactivity, and visual stability. These metrics simplify UX metric collection by signaling which frontend performance indicators matter the most. Google recommends that a Cumulative Layout Shift score should be less than 0.1 for optimal performance. Datadog enables teams to monitor Core Web Vitals from an out-of-the-box dashboard, troubleshoot suboptimal scores in the RUM Explorer, and use Synthetic browser tests to proactively monitor Core Web Vitals scores in any environment. By incorporating these metrics into the broader picture of web app user-facing performance, teams can characterize load performance, identify bottlenecks, and maintain a seamless user experience.