web-vitals: Detailed Overview & Metrics

v3.5.2(about 1 month ago)

This package is actively maintained.Types definitions are bundled with the npm packageNumber of direct dependencies: 0Monthly npm downloads

Web Vitals is a JavaScript library that helps you measure and track key performance metrics of your website. It provides a simple and standardized way to collect data on important user-centric performance metrics like Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS). By using Web Vitals, you can easily monitor and analyze the performance of your website and identify areas for improvement.

Compared to other performance monitoring tools, Web Vitals is specifically designed to focus on the metrics that have the most impact on user experience. It provides clear and actionable insights into how your website is performing and helps you prioritize optimizations. Web Vitals is actively maintained by the Chrome team and is widely adopted by developers and performance enthusiasts.

Alternatives:
page-lifecycle+
perfume.js+
lighthouse+
speedline+
sitespeed.io+
pwmetrics+
boomerang+
lux.js+
calibreapp/cli+
yellowlabtools+

Tags: javascriptperformancemetricsmonitoringuser-experience