Google engineers Philip Walton and

sharminakter

Seconds or less 4 seconds or less more than 4 seconds 100ms or less 300ms or less More than 300ms CLS 0.1 or less 0.25 or less greater than 0.25 (Reference: Search Consle Help "Key Web Metrics Report" ) Among them, it is a good idea to refer to the Largest Contentful Paint (LCP) metric.  Barry Pollard explain the importance of Largest Contentful Paint (LCP). Largest Contentful Paint (LCP) is an important and stable Core Web Vitals metric for measuring perceived loading speed. (snip) To provide a good user experience, Largest Contentful Paint should be 2.5 seconds or less.


Quote: web.dev “Largest Contentful Paint (LCP)” ) Note If there is insufficient user data for the specified web page (URL), "No data" will be displayed, or only the "origin" data for the entire homepage will be displayed. PageSpeed ​​Insights (Origin) This makes it impossible to evaluate the performance of a single specified web page. In that case, refer to the data in "Diagnosing performance issues" below. Diagnose performance issues (lab data) Next, let's take a Find Your Mobile Number List ook at the data in Diagnose Performance Issues. memo Here, the results (lab data) analyzed using a measurement tool called "Lighthouse" are displayed. This is not data from an actual user environment, so please use it as a reference only.





Site speed is displayed as a score from 0 to 100. Scores are classified into the following three types, so check whether they are good or not. Good 90～100 need improvement 50～89 slow speed 0 In addition, you can check the following five metrics from "Open View". First Contentful Paint (FCP) The amount of time it takes for the text or image to be painted (displayed) for the first time . Speed ​​Index How quickly the page's content is populated and displayed. Largest Contentful Paint (LCP) The amount of time it took for the largest text or image to be drawn . Total Blocking Time The total time (in milliseconds) from when the content is first displayed until it becomes actionable, if the task processing time is greater than 50 milliseconds.