PWA: an Introduction

A brief story into Progressive Web Apps (PWA)

Transcript

1. PWA: an Introduction Irfan Maulana SDE @ Bizzy Indonesia
2. Outline Intro PWA Welcoming PWA PWA Case Study PWA Playground Measuring PWA Learning Reference
3. Intro PWA
4. 1 Users access web from mobile phone Source:https://www.statista.com/statistics/241462/ global-mobile-phone-website-traffic-share/
5. Users already frustrated with slow web Source: DoubleClick — The need for mobile speed, September 2016
6. Mobile web conversion rate still poor Source: State of Mobile Commerce Report Q4 2015
7. But Apps needs bigger storage
8. Users uninstall Apps 30% Average users will uninstall their downloaded Apps Source:https://www.businessinsider.com/app-users-are-quick-to-u ninstall-2016-11/
9. Users love Apps, because of: - Performance - Offline Access - Background Sync - Notification - Sensors - OS & Device Access
10. If web can do these: - Performance - Offline Access - Background Sync - Notification - Sensors - OS & Device Access
11. If web can do these: - Performance - Offline Access - Background Sync - Notification (plus) - Easy distribution - Low memory - App size
12. Welcoming PWA A modern web with progressive enhancement
13. Reliable Load instantly and never show the downasaur, even in uncertain network conditions.
14. Fast Respond quickly to user interactions with silky smooth animations and no janky scrolling
15. Engaging Feel like a natural app on the device, with an immersive user experience.
16. PWA Case Study
17. Alibaba 76% higher conversions across browsers 4X higher interaction rate from Add to Homescreen Source: https://developers.google.com/web/showcase/2016/alibaba
18. Flipkart 3x more time spent on site 40% higher re-engagement rate 70% greater conversion rate 3x lower data usage Source: https://developers.google.com/web/showcase/2016/flipkart
19. Twitter Lite 65% increase in pages per session 75% increase in Tweets sent 20% decrease in bounce rate Source: https://developers.google.com/web/showcase/2017/twitter
20. OLX 23% less time until page is interactive 80% lower bounce rates 146% higher CTR on Ads 250% more re-engagement Source: https://developers.google.com/web/showcase/2017/olx
21. PWA Playground
22. Required skills HTML JS
23. Service Worker: Registration
24. Service Worker: Installing What we’ve done? 1. Open a cache. 2. Cache our files. 3. Confirm whether all the required assets are cached or not.
25. Behind the scene Source: https://jakearchibald.com/2014/offline-cookbook/
26. Caching Strategy: Cache Only Source: https://jakearchibald.com/2014/offline-cookbook/
27. Caching Strategy: Cache Only Source: https://jakearchibald.com/2014/offline-cookbook/
28. Caching Strategy: Network Only Source: https://jakearchibald.com/2014/offline-cookbook/
29. Caching Strategy: Network Only Source: https://jakearchibald.com/2014/offline-cookbook/
30. Caching Strategy: Cache, fallback Network Source: https://jakearchibald.com/2014/offline-cookbook/
31. Caching Strategy: Cache, fallback Network Source: https://jakearchibald.com/2014/offline-cookbook/
32. Caching Strategy: Cache, Network Race Source: https://jakearchibald.com/2014/offline-cookbook/
33. Caching Strategy: Cache, Network Race Source: https://jakearchibald.com/2014/offline-cookbook/
34. Add to Home Screen (A2HS)
35. Add manifest.json for A2HS
36. Insert manifest.json in HTML
37. What next: PWA Checklist http://bit.ly/pwa-howto
38. What next: PWA Journey
39. Measuring PWA
40. Manifest Checking
41. SW Checking
42. Built-in Lighthouse
43. Lighthouse Result
44. Centralize Lighthouse
45. Lighthouse CI
46. Learning Reference
47. Website https://developers.google.com/web/progressive-web-apps/ https://serviceworke.rs/ https://jakearchibald.com/2014/offline-cookbook/
48. Sample Code http://bit.ly/gdk-pwa
49. Community medium.com/wwwid t.me/wwwid_pwa
50. Questions?
51. Thank You - github.com/mazipan - twitter.com/@Maz_Ipan - t.me/irfanmaulana - medium.com/@mazipanneh