FCP measures how long it takes for the first element of a page to be rendered. Read the article to learn how to optimize it for better UX.
To calculate the layout shift score, the browser looks at the viewport size and movement of unstable elements between two rendered frames. The layout shift score is a product of two movement measures: impact fraction and distance fraction. layout shift score = impact fraction * distance fraction ...
First Contentful Paint(FCP) is the time it takes for the first object to load in a user’s browser. This is different from the page load speed or load time because it’s not the time for the entire page to render — It’s just the first piece of the page to appear on the screen...
First Contentful Paint (FCP): The time from when the page starts loading to the time when any of the page’s text, images, and other elements are rendered. If the top of your page relies on images that aren’t optimized, you’ll likely see a slower result here. Google considers any ...
Using these timestamps, we can calculate various TTFBs as follows: User TTFB is an interval from T1 to T18 time points and should be measured when monitoring user experience and identifying issues when it exceeds the recom...
They convinced Lighthouse to calculate the LCP element as one of the larger thumbnails instead of a Google Map tile on the page, which takes considerably longer to load via JavaScript. The bottom line is that you can gain higher Lighthouse performance scores if you are aware of your LCP ...
How do you calculate input delay? There are many ways to calculate input delay, but one way is to take a stopwatch on your computer and attach it as well. Take two pictures of the monitors side by side so that each can be measured for time difference. This will give you an estimate...
Edge Caching: How Does It Improve the Performance of Your Pages? Edge caching is a powerful way to improve website performance and optimize the user experience. Learn all about it in this blog post. Reading time 13 min read Updated date ...
All three core web vitals can be evaluated in Javascript by using standard web APIs. Theweb-vitals JavaScript libraryis the most simple way to calculate each metric of core web vitals. Measuring each metric with web-vitals JavaScript library is as simple as calling a single fu...
LikeLCP, theChrome User Experience Reportallows you to query real FID statistics recorded across different countries, connections, and devices for a specific URL. Theweb-vitals JavaScript librarycan also calculate FID metrics for real users on your live site. You can add the following script to ...