Service Worker: Taking the Best From the Past Experience for The Bright Future of PWAs
summary
Summarizes concrete service worker practices: register it late (after render) to avoid competing for network/CPU, handle update/unregister by using skipWaiting and refresh windows, avoid cache.addAll failing on 404s, handle cross‑origin opaque responses with no‑cors opaque handling and manual caching, check disk before caching with Storage Estimate API, use Workbox or PWABuilder to automate edge cases, use BroadcastChannel to notify clients of new versions, and preventDefault the install prompt to show it at a controlled moment.
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chapters (12)
- 0:00PWAs in 2018
- 4:22Service Worker basics
- 10:12Registration and lifecycle
- 15:45When to register
- 19:26Unregistering and updates
- 23:38Caching strategies
- 29:48PWA tooling
- 34:51Auditing PWAs
- 35:33Handling updates
- 38:29Installing PWAs
- 40:45Beyond networking
- 41:49Community resources
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