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Library/Backend/Performance
Advanced Pro#performance

Service Worker là gì và các Caching Strategy phổ biến trong PWA hoạt động thế nào?

February 15, 2026

Quick summary

A Service Worker is a background script acting as a network proxy to enable offline capabilities for PWAs. The application's performance and offline experience depend heavily on choosing the right caching strategies, such as Cache-First, Network-First, or Stale-While-Revalidate.

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Sample answer:

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Quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore.

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