A Technical SEO Guide to Lighthouse Performance Metrics [Guide]
Lighthouse is an open-source, automated tool for improving the quality of web pages. It has audits for performance, accessibility, progressive web apps, SEO, and more.
Search Engine Journal has published ‘A Technical SEO Guide to Lighthouse Performance Metrics’.
Jamie Indigo says, “Lighthouse runs performance tests using emulated data, also known as lab data.
This is performance data collected within a controlled environment with predefined device and network settings.
Lab data is helpful for debugging performance issues. It does not mean that the experience on your local machine in a controlled environment represents the experiences of real humans in the wild.
Updates to Lighthouse: Web Core Vitals
On May 5, 2020, the Chromium project announced a set of three metrics with which the Google-backed open-source browser would measure performance.
The metrics, known as Web Vitals, are part of a Google initiative designed to provide unified guidance for quality signals.”
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