Xueersi Online School Tech Team
Jan 21, 2022 · Frontend Development
White‑Screen Detection and Performance Optimization for Front‑End Applications
The article explains the concept of white‑screen time, its impact on user experience, and presents multiple detection methods—including Navigation Timing API, MutationObserver, element‑point analysis, and headless‑browser simulation—along with implementation code and a monitoring‑alert architecture for front‑end performance optimization.
FrontendMutationObserverPuppeteer
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