Unverified95% confidenceFactExact time
Service Worker是运行在浏览器主线程之外的独立JavaScript工作线程，具有安装、激活和运行三个生命周期阶段
1
Sources
95%
Confidence
Long-term
Relevance
5/14/2026
First Seen
Sources
GitHub Issues导航性能优化实战：缓存、预取与Service Worker
rss5/14/2026
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