Build PWAs with offline support, push notifications, and responsive design. Learn service workers, caching, and optimization for native-like experiences.

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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

After linking the `manifest.json` file in our HTML files, we can start adding properties to this manifest file. An app manifest has a variety of properties, which include:
- `name`
- `short_name`
- `description`
- `theme_color`
- `background_color`
- `display`
- `icons`


# A manifest file

Before we learn about these properties, let’s first look at what a basic `manifest.json` file looks like. Follow these steps to use the below applications:
* Run the below application.
* Then, check the `manifest.json` file in the application tab of DevTools (the “Installability” section will show the following warning: `No Service worker registered!`).

Learn how to use the properties of an app manifest to configure the look and behavior of an installed progressive web app.

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 and UX

Offline Experience with Background Sync API

Web Push Notifications (Notification API, Push API)

Native Device Features

The Photo-Sharing App

Wrapping Up

Learn to Localize a React Web App Using React Intl

Understanding the App Manifest Properties