Gain insights into Progressive Web Apps. Delve into service workers, caching strategies, and their advantages. Learn about real-world Angular projects and deploying PWAs using Firebase. Optimize your web solutions efficiently.

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Progressive Web Applications are the state of modern web solutions. With the proper strategies, it is possible to drastically improve the overall performance and providing data even without a network connection. 
In an increasingly mobile-first world, optimising the time to load web pages can be our business's success. 

We will start by describing what PWAs are and their advantages over native and plain web applications. We then go deeper analysing fundamental concepts like service workers, caching strategies and when to use them in different scenarios. 

Aside from generic, framework-agnostic code samples, there will be an entire "hands-on" section dedicated to Angular, where we will create a complete, real-world PWA project from scratch.

Finally, we will learn how to deploy our PWAs to the cloud with different providers, describing in detail the approach with the Firebase platform. Thus, concluding our journey in the PWAs world.

Optimize your web projects with Progressive Web Apps

As we have seen in the previous lesson, Safari doesn't respect every value specified in the web manifest file. However, PWACompat, a Google polyfill library, can overcome this limitation and save many tedious manual steps.  

From the library developers:

> PWACompat is a library that brings the Web App Manifest to non-compliant browsers for better Progressive Web Apps. This mostly means creating splash screens and icons for Mobile Safari and supporting IE/Edge's Pinned Sites feature.

## Install the package

To use the library, we have to include it from a CDN (recommended to get the latest version):

As we have seen in the previous lesson, Safari doesn't respect every value specified in the web manifest file. However, PWACompat, a Google polyfill library, can overcome this limitation and save many tedious manual steps.  

From the library developers:

> PWACompat is a library that brings the Web App Manifest to non-compliant browsers for better Progressive Web Apps. This mostly means creating splash screens and icons for Mobile Safari and supporting IE/Edge's Pinned Sites feature.

# Install the package

To use the library, we have to include it from a CDN (recommended to get the latest version):

Thanks to PWACompat library we can skip many manual steps needed for Apple devices.

Introduction

The Progressive Approach

Install a PWA on a Device

Service Workers

Caching Strategies

PWA Tools and Libraries

Angular PWA

Deploying our PWA

Wrap up

PWACompat Library

Install the package