Sites should focus on optimizing for user-centric happiness metrics. Tools like Lighthouse (baked into web.dev!) highlight these metrics and help you take the right steps toward improving your performance. To stay fast, set and enforce performance budgets to help your team work within the constraints needed to continue loading fast and keeping users happy after your site has launched.| web.dev
This post introduces the Interaction to Next Paint (INP) metric and explains how it works, how to measure it, and offers suggestions on how to improve it.| web.dev
This post introduces the Largest Contentful Paint (LCP) metric and explains how to measure it| web.dev
This post introduces the Cumulative Layout Shift (CLS) metric and explains how to measure it.| 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
Discover tools and information to help you build high-performance websites.| Google for Developers