Build fast reliable web applications using the latest web development technologies. This book
provides step-by-step learning through the process of transforming a traditional web app into a
high-performing progressive web app leveraging principles and lessons taught throughout the
book. You will learn to improve the performance reliability reach and user engagement of
mobile web applications through the use of specific practical examples. Because most
non-trivial web applications developed today use JavaScript frameworks you will learn about
the most popular frameworks offering a PWA right out of the box including React Preact
Vue.js Angular and Ionic. You also will learn which tools to enlist to measure your
application's performance such as Google's Lighthouse. Beginning Progressive Web App
Development includes best practices to make your app work even when an end user has a poor or
no Internet connection and to send notifications and reminderswith the Notification and Push
APIs to keep your users engaged. You will come away with an understanding of the
technologies-application shells server push technology and caching-that will allow you to
rapidly deliver content to your users. As important as it is to provide mobile users with a
great experience the principles of PWAs are not limited to smartphones. Most of what you will
learn in this book is directly applicable to web applications on all screen sizes. What You'll
Learn Achieve nearly instant loading times Implement service workers to make your app load
faster and work while users are offline Keep users engaged with web notifications Measure the
performance and reach of your web applications Transform your existing web app into a
progressive web app Create a progressive web app from scratch Understand what building a truly
fast web app entails with Google's PRPL pattern Who This Book Is For Web developers with prior
JavaScript experience
