Frontend System Design
/Advanced
Offline Storage Strategies
Definition
Storing data for offline use primarily relies on IndexedDB for JSON/structured data, and the Cache API for static assets (HTML/CSS/JS). LocalStorage is blocked inside Service Workers because it is synchronous.
Explain Like I'm New
You need massive filing cabinets (IndexedDB) and a warehouse for pictures (Cache API) to hold all the data the user might need if their internet drops.
Interview Questions
basic
- What is the core concept of Offline Storage?
intermediate
- How does Offline Storage impact the overall user experience?
advanced
- How do you scale Offline Storage across a large enterprise application?
trick
- Can Offline Storage be fully automated?