The 103 people who contributed to the 2019 Web Almanac as Analysts, Authors, Brainstormers, Designers, Developers, Editors, Reviewers and Translators.| almanac.httparchive.org
This post introduces the Largest Contentful Paint (LCP) metric and explains how to measure it| web.dev
This post introduces the Time to First Byte (TTFB) 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
PageSpeed Insights (PSI) reports on the user experience of a page on both mobile and desktop| Google for Developers