Tag
service-workers
- Jan 22, 2026 Fetch Event Interception and Response Construction How a service worker receives requests, what respondWith accepts, why a rejected promise produces an error page instead of a network fetch, and which requests never reach the handler. web platform
- Dec 22, 2025 Service Worker Update Semantics and skipWaiting How byte comparison decides whether a new worker installs, what updateViaCache changes about that check, and why calling skipWaiting while old documents are open produces mixed-version clients. web platform
- Oct 21, 2025 Service Worker Lifecycle and the Registration Scope How a service worker moves from registration through installation and activation, why a new version may wait indefinitely, and what the scope URL decides about the requests it can intercept. web platform
- Sep 9, 2025 Cache Storage Keys, Vary, and Cache Versioning How the Cache API compares a request against stored entries, why HTTP freshness headers are inert inside it, and how cache names and activate-time deletion keep a deployment consistent. web platform