What do We know about Core Web Vitals?

1. Introduction

Core Web Vitals are a set of specific website performance metrics that Google considers crucial for providing a good user experience. The design of these metrics aims to measure aspects of web page performance, including loading time, interactivity, and visual stability.

The Core Web Vitals include three main metrics:

2. Largest Contentful Paint (LCP):

  • Definition: LCP measures the time it takes for the main content of a web page to be fully rendered.
  • Recommendation: Websites should aim for an LCP of 2.5 seconds or faster for a good user experience.

3. First Input Delay (FID):

  • Definition: FID measures the time it takes for a web page to become interactive, specifically the delay between a user’s first interaction (like clicking a button) and the browser’s response.
  • Recommendation: Websites should aim for an FID of 100 milliseconds or less for a good user experience.

4. Cumulative Layout Shift (CLS):

  • Definition: CLS measures the visual stability of a web page by quantifying how much the page content shifts during loading.
  • Recommendation: Websites should aim for a CLS score of 0.1 or less for a good user experience.

5. Conclusion

Google has integrated Core Web Vitals into its search ranking algorithm, considering them as part of the overall page experience. Websites that perform well in these metrics are more likely to rank higher in Google Search results. Web developers and site owners are encouraged to monitor and optimize their websites based on these Core Web Vitals to enhance user experience and potentially improve search engine rankings.

It’s important to note that industry standards and recommendations may evolve over time, so it’s a good practice to check for the latest information from Google’s official documentation or other reliable sources.