PWAs are the new black or: how to start being cool too and create PWAs guru sorocaba felipe bernardes 

i know I am sorry I promised something else to you 

but wait I have learned some stuff and want to share with you 

a PWA… - wtf - how-to - examples 

a PWA… - is charming & app-like - works offline - can be installed 

how-to - is charming & app-like - works offline - can be installed manifest.json, app icon & CSS service worker & local storage chrome||firefox & manifest.json 

a PWA also… - progressive (by asking permission when user is using it) - re-engageable (thourhg push notifications) - safe (https or localhost-only) - linkable (shareable via url. reallu) - responsive (to any screensize) 

manifest.json, app icon & CSS 

service worker & local storage 

chrome||firefox & manifest.json (safari soon) 

refs & resources https://pwa.rocks/ https://developers.google.com/web/ilt/pwa/introduction-to-service-worker https://developers.google.com/web/progressive-web-apps/ https://developer.mozilla.org/en-US/Apps/Progressive https://codelabs.developers.google.com/codelabs/your-first-pwapp/#0 https://tomitm.github.io/appmanifest/