Dean Alan Hume

201 Pages·2017·13.18 MB·English

Dean Alan Hume
F Addy Osmani
OREWORD BY
M A N N I N G
Progressive Web Apps

Progressive
Web Apps
DEAN ALAN HUME
FOREWORD BY ADDY OSMANI
MANNING
SHELTER ISLAND
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In memory of Frank Hume—“Keep ‘em flying”

brief contents
PART 1 DEFINING PROGRESSIVE WEB APPS................................1
1 ■ Understanding Progressive Web Apps 3
2 ■ First steps to building a Progressive Web App 15
PART 2 FASTER WEB APPS ........................................................29
3 ■ Caching 31
4 ■ Intercepting network requests 51
PART 3 ENGAGING WEB APPS...................................................65
5 ■ Look and feel 67
6 ■ Push notifications 81
PART 4 RESILIENT WEB APPLICATIONS .....................................97
7 ■ Offline browsing 99
8 ■ Building more resilient applications 111
9 ■ Keeping your data synchronized 120
PART 5 THE FUTURE OF PROGRESSIVE WEB APPS...................133
10 ■ Streaming data 135
11 ■ Progressive Web App Troubleshooting 147
12 ■ The future is looking good 157
vii

contents
foreword xv
preface xvi
acknowledgments xvii
about this book xix
PART 1 DEFINING PROGRESSIVE WEB APPS......................1
1 Understanding Progressive Web Apps 3
1.1 What’s the big deal with Progressive Web Apps? 3
1.2 PWA basics 5
Building a business case for Progressive Web Apps 6
1.3 Service Workers: The key to PWAs 8
Understanding Service Workers 8 ■ The Service Worker
lifecycle 9 ■ A basic Service Worker example 10
Security considerations 12
1.4 Performance insight: Flipkart 13
1.5 Summary 14
ix