Progressive Web App
Table of Contents
Overview
Build progressive web applications with offline support, installability, service workers, and web app manifests to deliver app-like experiences in the browser.
When to Use
- App-like web experiences
- Offline functionality needed
- Mobile installation required
- Push notifications
- Fast loading experiences
Quick Start
Minimal working example:
// public/manifest.json
{
"name": "My Awesome App",
"short_name": "AwesomeApp",
"description": "A progressive web application",
"start_url": "/",
"scope": "/",
"display": "standalone",
"orientation": "portrait-primary",
"background_color": "#ffffff",
"theme_color": "#007bff",
"icons": [
{
"src": "/images/icon-192.png",
"sizes": "192x192",
"type": "image/png",
"purpose": "any"
},
{
"src": "/images/icon-512.png",
"sizes": "512x512",
"type": "image/png",
"purpose": "any"
},
{
// ... (see reference guides for full implementation)
Reference Guides
Detailed implementations in the references/ directory:
| Guide | Contents | |---|---| | Web App Manifest | Web App Manifest | | Service Worker Implementation | Service Worker Implementation | | Install Prompt and App Installation | Install Prompt and App Installation | | Offline Support with IndexedDB | Offline Support with IndexedDB | | Push Notifications | Push Notifications |
Best Practices
✅ DO
- Follow established patterns and conventions
- Write clean, maintainable code
- Add appropriate documentation
- Test thoroughly before deploying
❌ DON'T
- Skip testing or validation
- Ignore error handling
- Hard-code configuration values