progressive-web-apps

Implement service workers, web app manifests, and push notifications for Progressive Web Apps.

2|Updated Dec 21, 2025
One-click install
npx skills add https://github.com/telum-ai/speck --skill progressive-web-apps
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: progressive-web-apps
Source: https://github.com/telum-ai/speck/tree/main/.cursor/skills/progressive-web-apps
Command: npx skills add https://github.com/telum-ai/speck --skill progressive-web-apps

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers build modern Progressive Web Apps (PWAs) that offer an app-like experience, including offline functionality, push notifications, and installability, enhancing user engagement and accessibility.

Core Features & Use Cases

  • Service Worker Caching: Implement various caching strategies (Cache-First, Network-First, Stale-While-Revalidate) for optimal performance and offline support.
  • Web App Manifest: Configure the manifest.json file for app naming, icons, theme colors, and install prompts.
  • Push Notifications: Integrate push notification capabilities for real-time user engagement.
  • Installability: Guide users to add the PWA to their home screen.
  • Use Case: Enhance a customer-facing e-commerce site to work reliably even with intermittent network connectivity, allowing users to browse products and add items to their cart offline.

Quick Start

Configure a service worker with a cache-first strategy for static assets and network-first for API calls.

Frequently Asked Questions about progressive-web-apps

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I make a web app work offline using a service worker?

Make a web app work offline by registering a service worker to intercept network requests and serve cached assets. This Skill implements caching strategies like Cache-First for static assets and Network-First for API calls to ensure reliable offline functionality.

What is a web app manifest and how do I configure it for installability?

A web app manifest is a JSON file that defines how your app appears when installed on a user's device. This Skill configures the manifest.json file to specify app naming, icons, theme colors, and install prompts for home screen installation.

How do I add push notifications to a progressive web app?

Add push notifications to a progressive web app by integrating push notification capabilities through the service worker. This Skill configures the necessary push events to enable real-time user engagement on the web.

Which caching strategy is best for progressive web apps?

The best caching strategy for progressive web apps depends on the resource: Cache-First for static assets, Network-First for API calls, and Stale-While-Revalidate for balancing freshness and speed. This Skill helps apply the appropriate strategy for optimal performance.

Can I use progressive web app features for an e-commerce site with intermittent connectivity?

You can use progressive web app features for an e-commerce site to ensure reliability with intermittent connectivity. This Skill enables users to browse products and add items to their cart offline, maintaining an app-like experience during network drops.

Do I need a service worker to make my web app installable?

You need a service worker to make your web app installable because it provides the offline support required for app-like behavior. Along with a web app manifest, the service worker ensures the app functions reliably when added to the home screen.