Rare Earth Juejin Tech Community
Sep 29, 2022 · Frontend Development
Understanding Web Performance Metrics and Implementing Monitoring with Sentry
This article explains the key web performance indicators such as FP, FCP, LCP, TTI, TBT, FID, CLS, how to obtain them using the Performance API and PerformanceObserver, and provides step‑by‑step guidance on configuring Sentry for automated performance monitoring, including sample JavaScript code for custom calculations.
JavaScriptPerformanceObserverSentry
0 likes · 22 min read