If you want to achieve the long-term success of your site on the web, you have to constantly optimize it for the quality of user experience. It is crucial to quantify the experience of the site to place the website as high as possible in the search ranking. At the end of August 2021, user experience metrics will be one of the factors in Google’s algorithms when ranking websites. This is why you should pay close attention to Core Web Vitals. What are they? How are they important?

If you want to achieve the long-term success of your site on the web, you have to constantly optimize it for the quality of user experience. It is crucial to quantify the experience of the site to place the website as high as possible in the search ranking. At the end of August 2021, user experience metrics will be one of the factors in Google’s algorithms when ranking websites. This is why you should pay close attention to Core Web Vitals. What are they? How are they important?

What are Core Web Vitals?

Core Web Vitals are three main factors that Google considers crucial in a webpage’s overall user experience. These are quantifying measurements for page speed and user interactions. They will be part of Google’s page experience score (as one of over 200 factors). The metrics will probably evolve in the near future, however, the current set focuses on three aspects of the user experience: loading, interactivity and visual stability. Core Web Vitals include the following metrics:

  • LCP – Largest Contentful Paint – measures loading performance – the time it takes different content blocks to load within the current screen. It should occur within approx. 2.5 seconds after the page first starts loading. 
  • FID – First Input Delay – measures interactivity – input latency (the time it takes a page element to respond from a user’s input). Your page should have a FID of 100 milliseconds or less.
  • CLS – Cumulative Layout Shift – measures visual stability – whether elements in the visible viewport shift from their starting position between two rendered frames. CLS considers layout shift, impact fraction and distance fraction. Your page should maintain a CLS of 0.1 or less.

In order for your website to hit the recommended target for most of your users, you should keep all the above metrics in the 75th percentile.

How to measure Core Web Vitals?

You can easily measure Core Web Vitals using the most popular tools. Start with the Chrome User Experience Report that collects all real user measurement data. You can also use PageSpeed Insights, Search Console with its Core Web Vitals report, Lighthouse and of course JavaScript (using standard web APIs).

Why are Core Web Vitals so important?

Page Experience became an official Google ranking factor in June 2021 and Core Web Vitals are a key part of your Page Experience score. In fact, soon, they will be the most heavily weighted aspect of the score. If you want your website to be seen by Google’s algorithms as a user-friendly website, highly ranked in the browser, Core Web Vitals is something you should definitely laser in on.

Need help to optimise your website and boost its Core Web Vitals? We are here to help – Accesto.

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