Improve your website with Web Vitals
Learn how to improve your website with Web Vitals, essential metrics for a healthy website.
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Defining the Core Web Vitals metrics thresholds
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
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
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
Learn how to measure Web Vitals with your analytics tool.
Optimize First Input Delay
Learn how to respond faster to user interactions.
Optimize Cumulative Layout Shift
Learn how to avoid sudden layout shifts to improve your user experience.
Optimize Largest Contentful Paint
Learn how to render your main content faster.