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Improve your website with Web Vitals

Learn how to improve your website with Web Vitals, essential metrics for a healthy website.

 

Web Vitals

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Learn about Web Vitals from this introductory overview.

Defining the Core Web Vitals metrics thresholds

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Learn about the research and methodology behind the recommended metrics for Core Web Vitals.

Measure Web Vitals with the PageSpeed Insights and Chrome UX Report APIs

Codelab

Learn how to measure a web page’s Core Web Vitals with the PageSpeed Insights and Chrome UX Report APIs.

Measure and report Core Web Vitals with the web-vitals library

Codelab

Learn how to measure and report a web page's Core Web Vitals with the web-vitals JavaScript library.

Best practices for measuring Web Vitals in the field

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Learn how to measure Web Vitals with your analytics tool.

Optimize First Input Delay

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Learn how to respond faster to user interactions.

Optimize Cumulative Layout Shift

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Learn how to avoid sudden layout shifts to improve your user experience.

Optimize Largest Contentful Paint

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Learn how to render your main content faster.

Improve your website with Web Vitals quiz

Test your knowledge of Web Vitals.