Frontend & Design

Progressive Web App Setup

Transform your web application into a PWA with offline support, install prompts, push notifications, and app-like experience.

Claude Code Cursor Copilot Windsurf

Overview

Progressive Web Apps (PWAs) combine the reach of the web with the capabilities of native apps. AI agents can generate the required web app manifest, implement service workers for offline caching, set up install prompts, and configure push notifications to create app-like experiences from your existing web application.

The core requirements for a PWA are a web app manifest (`manifest.json`), a service worker, and HTTPS. Your AI agent can generate the manifest with proper icons, theme colors, display modes, and shortcuts. It can implement service worker caching strategies (Cache First, Network First, Stale While Revalidate) using Workbox or vanilla service worker APIs.

Modern PWA features include background sync for offline form submissions, periodic background sync for content updates, share target API for receiving shared content, and file handling API. AI agents can implement these features incrementally, transforming your existing web app into a PWA without a full rewrite.

Who Is This For?

Developers making existing web apps installable on mobile devices
Teams building offline-first applications for unreliable networks
Engineers implementing app-like navigation and transitions
Businesses wanting app-store-like distribution without native development

Installation

Setup for Claude Code

npm install -D workbox-cli
npx workbox-cli wizard

Configuration

// manifest.json
{
  "name": "My Progressive Web App",
  "short_name": "MyPWA",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#0f172a",
  "theme_color": "#6366f1",
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png" }
  ]
}