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

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## Cache interface

The Cache API allows us to store request/response pairs on a local device. It is typically used in the context of service workers, but it can also be accessed from the window scope. Therefore, Cache API can also be used in a standard web app without a service worker enabled. 

<br>
Nowadays, almost all browsers support it:





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# Cache interface

The Cache API allows us to store request/response pairs on a local device. It is typically used in the context of service workers, but it can also be accessed from the window scope. Therefore, Cache API can also be used in a standard web app without a service worker enabled. 

<br>
Nowadays, almost all browsers support it:





The service worker caching feature also has  some limits, even though many applications work perfectly fine even with them. Let's see how it is possible to overcome some of these limits.

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

Caching Limitations

Cache interface