With the LCP, however, you see that the LCP is triggered by the largest block. In this case a paragraph of text that is shown before the images and the logo. This is because in this case the images themselves are smaller than the paragraph of text. What is FID? FID stands for First Input Delay. With FID you can measure how quickly visitors get an impression of your website. The statistic focuses on interactivity and responsiveness. That's a bit vague, but what the stat shows.
The time between when a user interacts executive list with your page and when the browser actually processes it. When a link, button or something else is used in your website, it measures how long it takes the browser to actually process this. Long story short: the time between your click and when the browser processes it. To generate a good score, you need to take a critical look at the processes that your website goes through once a page is loaded. Can this be done faster? A good score is a maximum.
Of 100 ms. Google update FID score What is CLS? CLS stands for Cumulative Layout Shift. And this is a pretty tricky one to explain. CLS measures the sum of all individual layout shift scores for any unexpected layout shift that occurs over the life of the page. The video below actually shows what this means much better. video player 00:00 00:12 The most common causes for a bad CLS are as follows: Images without dimensions Ads, embedded content and iframes without dimensions.