juniorPWA
What is offline mode in PWA?
Updated May 17, 2026
Short answer
Allows apps to work without internet using cached data.
Deep explanation
Service Workers serve cached responses when network is unavailable, enabling offline-first experiences.
Real-world example
Offline reading apps like Pocket.
Common mistakes
- Not providing fallback UI.
Follow-up questions
- What if cache misses?
- Is full offline possible?