web-vitals
Small library to accurately measure Core Web Vitals (LCP, FID, CLS, INP, TTFB) in the browser.
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- Web Performance Optimization, PageSpeed Metrics
- added
- 2026-10-10
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Web Performance Optimization › Core Web Vitals: “Small library to accurately measure Core Web Vitals (LCP, FID, CLS, INP, TTFB) in the browser.”
PageSpeed Metrics › Concepts > Field Data (Real User Monitoring - RUM): “Open Source Library to collect Field Data.”