Book Image

Progressive Web Application Development by Example

By : Chris Love
Book Image

Progressive Web Application Development by Example

By: Chris Love

Overview of this book

Are you a developer that wants to create truly cross-platform user experiences with a minimal footprint, free of store restrictions and features customers want? Then you need to get to grips with Progressive Web Applications (PWAs), a perfect amalgamation of web and mobile applications with a blazing-fast response time. Progressive Web Application Development by Example helps you explore concepts of the PWA development by enabling you to develop three projects, starting with a 2048 game. In this game, you will review parts of a web manifest file and understand how a browser uses properties to define the home screen experience. You will then move on to learning how to develop and use a podcast client and be introduced to service workers. The application will demonstrate how service workers are registered and updated. In addition to this, you will review a caching API so that you have a firm understanding of how to use the cache within a service worker, and you'll discover core caching strategies and how to code them within a service worker. Finally, you will study how to build a tickets application, wherein you’ll apply advanced service worker techniques, such as cache invalidation. Also, you'll learn about tools you can use to validate your applications and scaffold them for quality and consistency. By the end of the book, you will have walked through browser developer tools, node modules, and online tools for creating high-quality PWAs.
Table of Contents (12 chapters)

Service worker browser support

Service worker is a relatively new technology, leading to a common question: is it safe to use service workers? What we are really asking is, how many browsers support service workers?

The good news is all major browsers have shipped basic service worker support. Chrome has been the leader as they have been largely responsible for initiating the concept and managing the specification. The technology has received enthusiastic support from other browser vendors including Microsoft, FireFox, Samsung, and Opera.

As of the Spring of 2018 all modern browsers had shipped updates to general consumers with at least service worker caching support. Of course, older browsers won't support service workers. But their usage is winding down as consumers upgrade phones and laptops.