Progressive Web Apps (PWAs) are web applications that are regular web pages or websites, but can appear to the user like traditional applications or native mobile applications. The application type attempts to combine features offered by most modern browsers with the benefits of a mobile experience.

Wanna try a such an app? The Flappy Bird online progressive web app (PWA) allows you to play this addictive game on any device, even if you are offline.

What is a Progressive Web App?

A Progressive Web App is:
(Definition by Google)

  • 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, because the app shell model separates the application functionality from application content .
  • 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 add apps they find most useful to their home screen without the hassle of an app store.
  • Linkable – Easily share the application via URL, does not require complex installation.