The research and methodology behind Core Web Vitals thresholds| web.dev
Debug and optimize your web applications with Chrome DevTools.| Chrome for Developers
Introduction to the CrUX dataset.| Chrome for Developers
Learn how to set up Lighthouse to audit your web apps.| Chrome for Developers
The prefers-reduced-motion media query detects whether the user has requested that the system minimize the amount of animation or motion it uses. This is for users who either require or prefer minimized animations; for example people with vestibular disorders often prefer animations to be kept to a minimum.| web.dev
| groups.google.com
This post introduces the Cumulative Layout Shift (CLS) metric and explains how to measure it.| web.dev
Cumulative Layout Shift (CLS) is a metric that quantifies how often users experience sudden shifts in page content. In this guide, we'll cover optimizing common causes of CLS such as images and iframes without dimensions or dynamic content.| web.dev
Learn to optimize your pages for instant loads when using the browser's back and forward buttons.| web.dev
User-centric performance metrics are a critical tool in understanding and improving the experience of your site in a way that benefits real users.| web.dev