What is a Progressive Web App?
A PWA is a web application that uses modern web technologies to deliver an app-like experience in the browser.
PWA Features
- Installable - Add to home screen without app store
- Offline capable - Works without internet connection
- Push notifications - Re-engage users like native apps
- Fast loading - Cached for instant access
- Responsive - Works on any device
PWA vs Native App
| Feature | PWA | Native App |
|---|---|---|
| Development cost | Lower | 2-3x higher |
| App store needed | No | Yes |
| Offline support | Yes | Yes |
| Push notifications | Yes | Yes |
| Device features | Most | All |
| Updates | Instant | Store approval |
Building a PWA - Key Requirements
- Web App Manifest - Defines app name, icons, colors
- Service Worker - Handles caching and offline
- HTTPS - Required for security
- Responsive design - Works on all screen sizes
- Fast loading - Under 3 seconds on 3G
When to Build a PWA
- Budget is limited but you need app-like features
- Users access on various devices
- Offline access is helpful but not critical
- You want to avoid app store fees and approval
Build a PWA for your business - modern web technology at lower cost.