Multiple choice › Progressive web apps
Progressive web apps
1. Progressive web apps
Which technology allows a progressive web app (PWA) to work offline?
- Image maps
- Service workers that cache resources
- Frames
- Server-side session variables
Answer
B
PWAs use service workers (plus a web app manifest for installability) to cache assets and data.
2. Progressive web apps
Compared with a normal website, a PWA can:
- Only run on one operating system
- Be installed to the home screen and work with limited or no connection
- Not use HTTPS
- Never be updated
Answer
B
PWAs are platform independent, installable, can cache for offline use and can send notifications. They require HTTPS.