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Progressive Web Apps

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A Progressive Web App uses modern web capabilities to deliver an app-like user experience.
Progressive Web Apps bring features we expect from native apps to the mobile browser experience in a way that uses standards-based technologies and run in a secure container accessible to anyone on the web.

Published in: Software
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  • ★★★ How Long Does She Want You to Last? ★★★ A recent study proved that the average man lasts just 2-5 minutes in bed (during intercourse). The study also showed that many women need at least 7-10 minutes of intercourse to reach "The Big O" - and, worse still... 30% of women never get there during intercourse. Clearly, most men are NOT fulfilling there women's needs in bed. Now, as I've said many times - how long you can last is no guarantee of being a GREAT LOVER. But, not being able to last 20, 30 minutes or more, is definitely a sign that you're not going to "set your woman's world on fire" between the sheets. Question is: "What can you do to last longer?" Well, one of the best recommendations I can give you today is to read THIS report. In it, you'll discover a detailed guide to an Ancient Taoist Thrusting Technique that can help any man to last much longer in bed. I can vouch 100% for the technique because my husband has been using it for years :) Here�s the link to the report ●●● http://ishbv.com/rockhardx/pdf
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Progressive Web Apps

  1. 1. Progressive Web Apps: Bridging The Gap Nitheesh T Ganesh iamntg@gmail.com
  2. 2. Contents  Overview of PWA  Native Apps Vs PWA  PWA Baseline Implementation  Case Studies  Lacking Features  PWA - Wish lists  Conclusion
  3. 3. Overview of PWA
  4. 4. Overview  Progressive Web Apps are user experiences that have the reach of the web  Reliable - Load instantly and never show the downasaur  Fast - Respond quickly to user interactions  Engaging - Feel like a natural app on the device
  5. 5. Overview
  6. 6. Native Apps Vs PWA
  7. 7. Native Apps Vs PWA Native PWA o Easy to launch o Immediate Value o Offline o Slow Connections o Push Notifications o Device-Access o No installation o Cross-Platform o Easy Deployment o Easy to update o Searchable o Links/ Bookmarks
  8. 8. Native Apps Vs PWA  Native apps face two gigantic hurdles trying to compete with PWAs:  Need to build only one app that works for android, iOS and web.  App install friction is suffocating native apps.
  9. 9. Native Apps Vs PWA 90% 72% 60% 45% 40% 25% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% USERS  It takes about 6 clicks to install a native app  Every Step Costs You around 20% of Users
  10. 10. Native Apps Vs PWA  Why Native Apps are a Gamble?  60% of apps in the Google Play/App store have never been downloaded.  The average user downloads less than 3 apps per month.  Half of US smartphone users download zero apps per month.  94% of app revenue comes from 1% of publishers, and users spend 80% of their time using just 5 apps.  80% of users who download an app fail to become active users.
  11. 11. PWA Baseline Implementation
  12. 12. PWA Baseline Implementation Required Recommended o HTTPS + Service Worker o Web App Manifest o App shell caching o Splash screen o Smooth navigation o Cross browser support o Push notifications o Advanced Offline Support
  13. 13. PWA Baseline Implementation  Client-side proxy written in JavaScript  Can intercept requests  Can decide to go idle or to re-activate themselves  Safari and Edge support is still in Development  Must use HTTPS Service Workers
  14. 14. PWA Baseline Implementation  Shell is cached using service worker  Uses cached data from indexedDB or any other web storage  Updates cached view with online data when loaded  Cached shell can load instantly on repeat visits. App Shell
  15. 15. PWA Baseline Implementation  Rich native presence on user’s home screen  Launch app in full-screen mode  Control the screen orientation for optimal viewing  Define “splash screen” launch, theme colour for site Web App Manifests { "short_name": "My Cool App", "name": "My Totally Cool Application", "icons":[ {"src": "launcher-icon-3x.png", "sizes": "192x192", "type": "image/png"}, {"src": "launcher-splash.png", "sizes": "512x512", "type": "image/png"}], "start_url": "index.html", "display": "standalone", "background_color" : "#aeaeae", "theme_color" : "#aeaeae", "orientation" : "landscape" }
  16. 16. PWA Baseline Implementation  User who visits 2x in a given time period will be prompted with “add to home screen”  One tap to add to home screen  Opens full screen by showing splash screen on load (no URL bar) Web App Manifests
  17. 17. PWA Baseline Implementation  Show content when on flaky networks  Store data locally using service workers  Local Stroage, WebSQL or IndexedDB  Use an abstraction, like PouchDB  Caching Pattern  Cache only or Network only  Try cache first, then network  Try network first, then cache Offline
  18. 18. PWA Baseline Implementation  App can request Background Sync  Service Worker triggers Sync Event when it is appropriate (Network, Battery…)  Also plans for periodic Background Sync Background Sync
  19. 19. PWA Baseline Implementation  System level notifications, like apps  Register/Receive push notification using service worker  Ask to notify users with specific information  Can send notifications even when page closed Push Notifications
  20. 20. PWA Baseline Implementation  For first-time visitors, load pages in <10s on 3G connections  For repeat visitors, instant loading of page in <500 milliseconds  Always scrolling at 60 frames/second  Content shouldn’t jump as images are loaded Instant loading and smooth navigation
  21. 21. Case Studies
  22. 22. Case Studies  3x time spent on site, from 1 minute to 3.5 minutes  Seeing 40% visitors return week over week  70% greater conversion rate among those arriving via “Add to Homescreen”  3X lower data usage Flipkart
  23. 23. Case Studies  76% more web conversions  30% more monthly active users on Android, 14% more on iOS  4X higher interaction rate from “Add to Homescreen” Alibaba
  24. 24. Case Studies  38% more conversions  40% lower bounce rate  10% longer average session  30% faster page load Housing.com
  25. 25. Lacking Features
  26. 26. Lacking Features  Contacts, calendar and browser bookmarks access (lack of access to these could be viewed as a feature by privacy-conscious users)  Alarms  Telephony features - intercept SMS or calls, send SMS/MMS, get the user's phone number, read voice mail, make phone calls without the Dialler dialog  Low-level access to some hardware features and sensors: flashlight, atmospheric pressure sensor  System access: Task management, modifying system settings, logs
  27. 27. PWA - Wish lists
  28. 28. PWA - Wishlists  Automatic grant of permissions for Push notification when added to home screen.  Events to instrument uninstalls  Deduping between native and web app from the same publisher (Push notification)  Deep linking into the installed web app  Some equivalent of Device ID  More top browsers including progressive features  Discoverability on the store as well on the user’s phone
  29. 29. Conclusion
  30. 30. Conclusion If you target the Next Billion Users, PWAs are the way to go If you are planning for a product, Traditionally, you’d have to build You can, right now, in most cases, just build And once Safari implements Service Worker, it will be just Desktop/Mobile web + Native Android + Native iOS PWA + Native iOS app PWA
  31. 31. Thank You!

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