The Web Vitals extension now shows you more debugging information to help you identify the root causes of Core Web Vitals issues.
Learn how to optimize for the Time to First Byte metric.
A collection of the best practices that the Chrome DevRel team believes are the most effective ways to improve Core Web Vitals performance in 2023.
Learn about reasons why RUM data can show different Core Web Vitals numbers from CrUX.
The Fetch Priority API indicates the relative priority of resources to the browser. It can enable optimal loading and improve Core Web Vitals.
Optimize tags and tag managers for Core Web Vitals.
Optimize web fonts for Core Web Vitals.
Optimize your pages for instant loads when using the browser's back and forward buttons.
A step-by-step guide on how to break down LCP and identify key areas to improve.
Learn how to avoid sudden layout shifts to improve user-experience
Starting in Chrome 73, link rel="preload" and responsive images can be combined in order to load images faster.
Built-in lazy loading is finally here!