Metrics what are core web vitals core web vitals are a component of googles initiative to improve the overall user experience on the web they are a set of user experience metrics that measure a websites speed responsiveness and visual stability improving core web vitals can help your site rank higher in search results and on top of that they are a minor ranking signal through user testing google found there are three main elements that directly affect user experience how fast a page loads how responsive a page is how stable a page is and thats why google created core web vitals to measure these elements of
user experience through metrics known as largest contentful paint lcp lcp measures how long it takes for the main content of a web page to load the first point a user is able to interact with a page is when the main content is loaded to provide a good user experience Hong Kong Email List lcp should be within seconds from when the page starts loading first input delay fid fid is a metric designed to represent how a user experiences how responsive a page is it measures the time it takes for a web page to become interactive it assesses the delay between a users first interaction such as clicking a button and the browsers response for a good user experience fid should be milliseconds or less interaction to next paint inp scheduled to go live in march inp is to replace fid as the page responsiveness metric inp is a better
metric than fid as unlike fid inp is not limited to the first time a user interacts with a page instead it measures all interactions throughout the life of the page cumulative layout shift cls cls measures the visual stability of a page quantifying the number of unexpected layout shifts that users see a low cls score indicates that the content remains stable during loading and interaction preventing unexpected jumps or shifts for a good user experience cls should be or less why are core web vitals important core web vitals are important as they align with googles business goals google as a search engine makes revenue from .