Tip & How-To about Computers & Internet
So, what are progressive web apps?
Actually, the PWA doesn't reinvent the wheel. The simplest possible definition may sound like this: a progressive web app is a website that feels like a native mobile app.
It feels like, but it isn't a mobile app. The PWA aims to bring native-like experience to users of all platforms and all devices. At the same time, it allows users to skip app store browsing and installation. Technically this is just another tab in your browser, but it has quick access right from the home screen and smooth app-like interactions. And it can work without an internet connection!
Progressive web app structureThe progressive web app has a simple structure. It consists of the app shell and the changing content.
The app shell is cached on the device of the user and can be loaded immediately.
The content is the dynamic part, it changes and is refreshed every time connection with the internet is established. There is one more technology, that allows us to define a PWA as a PWA. Its name is the service worker.
Also, important is the app manifest, a simple JSON file. It helps the device to recognize the PWA and defines how it will be displayed on the screen.
This structure can helps you build PW. In order to learn more about examples of PWA and advantages and disadvantages, you can read this article Progressive Web Apps - The New Word In User Engagement there is a lot of useful information there.
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