Alibaba Cloud Developer

Dec 28, 2022 · Frontend Development

Why Core Web Vitals Matter: Optimizing Global Front‑End Performance

This article explains how ICBU measures and improves global front‑end performance using Core Web Vitals and FCP, outlines the rationale behind metric selection, details threshold logic for LCP, CLS and FID, describes multi‑channel data collection and aggregation, and showcases dashboards that help developers identify and resolve performance issues.