Too Long; Didn't Read
Google introduced user-centric performance metrics in May 2020 to help developers measure their website’s experience in terms of speed, responsiveness, and visual stability. Core web vitals are: Largest Contentful Paint (LCP) Interactivity (CCLS) and Visual Stability (VCS) are the three metrics. Google has already announced that CWV will form part of a new ranking signal in an upcoming update to Search.com. Core Web Vitals will also be added to the search engine's ranking signal.