Learn how to build progressive web apps by understanding and implementing their building blocks.

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Web development is challenging, but progressive web applications provide a significant advantage over traditional web applications by enabling capabilities such as installation to the device, offline access, and push notifications.

You’ll start by learning about PWAs and understanding the core tenets of a PWA. Next, you’ll learn to implement features like offline support, intercepting network requests, and app installation banners using service worker APIs. You’ll then progress to caching strategies for improved performance, IndexedDB for storing data locally, and background syncing for unstable networks. Finally, you’ll cover responsive web design and native-device APIs to make your PWA feel and look like a native app.

After completing this course, you can build progressive apps with engaging and responsive experiences. You’ll also be prepared to optimize your existing web apps as PWAs, extending their reach and improving performance.

Building Progressive Web Applications

# Caching and retrieving the app shell

Perform the following steps to use the pre-cached app shell to load our app offline:
* Cache the static asset in the `install` event while online. Ensure to cache the project's root HTML page like `index.html`. If this HTML page is not cached, other cached items like scripts and style sheets will not be used because they won't be requested.


Learn how to make a web app available when the user is offline.

Introduction

Understanding the App Manifest

The Service Workers

Caching Using Service Workers

Cache Strategies

Offline Image Viewer

IndexedDB

Note-Taking App

Creating App-like UI & UX

Offline Experience with Background Sync API

Web Push Notifications (Notification API, Push API)

Native Device Features

The Photo-Sharing App

Wrapping Up

Serve a Web App in Offline Mode

Caching and retrieving the app shell