Frontend System Design
/Expert
Service Worker Cache
Definition
Service Workers provide programmable caching via the Cache API. They act as a network proxy sitting between the browser and the internet, allowing you to intercept network requests and serve cached responses even when offline.
Explain Like I'm New
A mini-server running inside your browser. If your internet cuts out, it intercepts the request and serves up a saved version of the website.
Interview Questions
basic
- How does Service Worker Cache fundamentally work?
intermediate
- What are the performance implications of Service Worker Cache?
advanced
- How does Service Worker Cache scale in an enterprise architecture?
trick
- Are there scenarios where Service Worker Cache is an anti-pattern?