Beginning Progressive Web App Development: Creating a Native App Experience on the Web

Description

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 reminders with 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 appCreate 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 Front Matter ....Pages i-xv Front Matter ....Pages 1-1 Introduction to Progressive Web Apps (Dennis Sheppard)....Pages 3-10 Tools to Measure Progressive Web Apps (Dennis Sheppard)....Pages 11-20 Front Matter ....Pages 21-21 Service Workers (Dennis Sheppard)....Pages 23-43 Caching and Offline Functionality with Service Workers (Dennis Sheppard)....Pages 45-71 Background Sync for Offline Apps with Service Workers (Dennis Sheppard)....Pages 73-93 Adding your App to the Home Screen with Web App Manifest (Dennis Sheppard)....Pages 95-107 Notifications (Dennis Sheppard)....Pages 109-137 App Shell Architecture and Loading Performance (Dennis Sheppard)....Pages 139-153 Exploring HTTP/2 and Server Push (Dennis Sheppard)....Pages 155-172 Front Matter ....Pages 173-173 Turning a Real App into a PWA (Dennis Sheppard)....Pages 175-208 PWAs From the Start (Dennis Sheppard)....Pages 209-240 Front Matter ....Pages 241-241 Leveling Up Your PWA (Dennis Sheppard)....Pages 243-259 Back Matter ....Pages 261-266