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PWA & Service Workers

Progressive Web Apps in depth: Service Worker lifecycle, caching strategies, Workbox, manifests, push notifications, background sync, and platform install nuances.

PWA & Service Workers

What is a PWA?

Service Worker lifecycle

Registering a Service Worker

HTTPS requirement

Web App Manifest

Service Worker vs Web Worker vs Shared Worker

Debugging Service Workers

Caching strategies

Workbox

beforeinstallprompt event

Background Sync

Web Push notifications

App Shell architecture

Offline-first with IndexedDB

Updating a Service Worker safely

Cache storage limits and eviction

iOS PWA nuances

Advanced manifest features

TWA, Play Store, and Microsoft Store

PWA pitfalls and integrations