Core Web Vitals

What are Core Web Vitals?

Core Web Vitals are three web performance metrics defined by Google as essential for a good user experience. Introduced in 2020, these metrics became an official ranking factor for the SEO. They measure concrete aspects of the user experience: loading speed, interactivity, and visual stability. Google uses this data to assess the quality of the user experience on your website.

What are the 3 metrics of Core Web Vitals?

Core Web Vitals include three main metrics:

• Largest Contentful Paint (LCP) : Measures the loading time of the largest visible element. Must be less than 2.5 seconds

• First Input Delay (FID) : Measures the time before the first user interaction. Must be less than 100 milliseconds.

• Cumulative Layout Shift (CLS) : Measures the visual stability of the page. Must be less than 0.1.

These metrics are measured on real user data and directly influence your ranking in Google search results.

How to optimize Core Web Vitals on Webflow?

To optimize your Core Web Vitals on Webflow, several strategies are effective. Optimize your images using modern formats like WebP, define explicit dimensions to avoid layout differences, and minimize the use of JavaScript heavy. Webflow automatically optimizes a lot of technical aspects, but you can improve performance by properly structuring your content and avoiding the elements that cause reflows. Use Google PageSpeed Insights to monitor your scores regularly.