DeWu Technology
Apr 11, 2021 · Frontend Development
Front-End Performance Metrics and Optimization Strategies
The article compares client‑side and server‑side rendering, defines key user‑perceived metrics such as FCP, LCP and a custom weighted‑area FMP, explains how to measure them with MutationObserver and performance APIs, and outlines business‑ and page‑level analysis plus optimizations—including pre‑loading, WebP images, bundle trimming and SSR tweaks—that collectively boost Lighthouse scores by over 20% and reduce data transfer by roughly 20%.
FMPFrontendOptimization
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