Service Worker Skill

When to use this skill

• Debugging service worker issues (stale cache, offline behavior)
• Updating cache strategies
• Adding offline support for specific routes
• Clearing service worker cache during development
• Understanding the caching layers

Note: This portfolio has a hand-written service worker (public/sw.js) but is NOT a PWA. There is no manifest.json.

Service worker reference

File: public/sw.js

Current version: v4

Cache strategy by path: