Individual skill
progressive-web-app
Build Progressive Web Apps (PWAs) with offline support, installability, and caching strategies. Trigger whenever the user mentions PWA, service workers, web app manifests, Workbox, 'add to home screen', or wants their web app to work offline, feel native, or be installable.
skills-imported/progressive-web-app/SKILL.md
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- Last checked
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- Repository last updated
- Oct 10, 2026
- License
- MIT
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- agent-skills Repository topic
- ai-agents Repository topic
- ai-agents-automation Repository topic
- ai-skills Repository topic
- awesome Repository topic
- awesome-list Repository topic
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- claude-skills Repository topic
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- muse-ai Repository topic
- pwa Declared skill tag
- web-dev Declared skill tag
- service-worker Declared skill tag
- frontend Declared skill tag
- offline Declared skill tag
- caching Declared skill tag
- engineering Derived category
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SKILL.mdcore · 12,618 bytes
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# Progressive Web Apps (PWAs)
## Overview
A Progressive Web App is a web application that uses modern browser capabilities to deliver a fast, reliable, and installable experience — even on unreliable networks. The three required pillars are:
1. **HTTPS** — Required in production for service workers to register (localhost is exempt for development).
2. **Web App Manifest** (`manifest.json`) — Makes the app installable and defines its appearance on device home screens.
3. **Service Worker** (`sw.js`) — A background script that intercepts network requests, manages caches, and enables offline functionality.
## When to Use This Skill
- Use when the user wants their web app to work offline or on unreliable networks.
- Use when building a mobile-first web project where users should be able to install the app to their home screen.