概述
A Progressive Web App (PWA) is a web application that uses modern browser capabilities to deliver an app-like experience. PWAs can be added to a user’s home screen, work offline, and send push notifications, making them a cost-effective alternative to native apps.
Key Features
- Installable: Add to home screen without App Store
- Offline Support: Via service workers and caching
- Responsive Design: Works on all screen sizes
- Push Notifications: Engage users without native code
- Secure: HTTPS required for all PWA features
Advantages
- Cross-platform by default
- Easy to maintain and update
- Lower development cost
- No app store review process
Limitations
- Limited access to native hardware (Bluetooth, sensors)
- UX may differ from native apps
- iOS support is more restricted than Android
Related Context