How you can make a progressive web app in an hour

How you can make a progressive web app in an hour
ryanwhocodes, freecodecamp, 2018/09/10
OK, I spent way more than an hour on this. Be warned. So, a progressive web app (PWA) is a web page that functions offline as well as online, and is typically used on a mobile device. It does this by means of a 'service worker' that manages a local cache of static resources and intercepts calls to remote servers to cache results and use the cache is the dynamic results aren't available. More...