Core SERP Vitals is a free Chrome add-on developed by defaced that brings real-time Core Web Vitals data from the Chrome User Experience Report (CrUX) directly to the Google Search Results. This powerful tool displays important metrics such as Largest Contentful Paint (LCP), First Input Delay (FID), Cumulative Layout Shift (CLS), and the experimental Input Delay (INP) and Time to First Byte (TTFB) underneath the page links in the SERP.

With Core SERP Vitals, users can gain valuable insights into the performance of web pages before even visiting them. By leveraging the data from the CrUX report, this add-on provides an easy way to assess the user experience of websites right from the search results page. It requires a free API key for the Chrome UX Report API, which can be obtained from the official Google documentation.

The latest update to versionintroduces the display of experimental INP and TTFB metrics. This further enhances the ability of Core SERP Vitals to provide comprehensive performance data to users, allowing them to make informed decisions about which websites to visit based on their Core Web Vitals performance.

Overall, Core SERP Vitals is a valuable tool for web developers, SEO professionals, and anyone interested in optimizing the performance of websites. With its real-time Core Web Vitals data integration in Google Search Results, it offers a convenient way to evaluate website performance and make informed browsing choices.