| The definition of "Progressive Web Apps" according to Google is on https://developers.google.com/web/progressive-web-apps/ and https://codelabs.developers.google.com/codelabs/your-first-p...: "A Progressive Web Apps is: * Progressive - Works for every user, regardless of browser choice because it's built with progressive enhancement as a core tenet. * Responsive - Fits any form factor: desktop, mobile, tablet, or whatever is next. * Connectivity independent - Enhanced with service workers to work offline or on low-quality networks. * App-like - Feels like an app to the user with app-style interactions and navigation because it's built on the app shell model. * Fresh - Always up-to-date thanks to the service worker update process. * Safe - Served via HTTPS to prevent snooping and to ensure content hasn't been tampered with. * Discoverable - Is identifiable as an "application" thanks to W3C manifest and service worker registration scope, allowing search engines to find it. * Re-engageable - Makes re-engagement easy through features like push notifications. * Installable - Allows users to "keep" apps they find most useful on their home screen without the hassle of an app store. * Linkable - Easily share via URL, does not require complex installation." |