Progressive web app

A web application built with browser technologies that can gain app-like capabilities, such as installation, offline access, and background updates, when supported by the browser.

Service worker: A script that runs separately from a web page and can intercept network requests, cache resources, and handle background events. It enables offline behavior and background features in many progressive web apps.
Web application: Software that users access through a web browser, usually over a network. A progressive web app is a web application enhanced with browser-provided capabilities.
Offline web application: A web application that retains useful functionality when it cannot reach its server. Offline access is a common progressive web app capability enabled by caching.
Native mobile app: An application developed for a specific mobile operating system and distributed through its software ecosystem. It contrasts with progressive web apps, which use web technologies and browser delivery.
App distribution: The processes and channels through which software reaches users and receives updates. Browser delivery can reduce reliance on centralized app stores for progressive web apps.
Web app manifest: A JSON file that describes a web application’s name, icons, display mode, and other installation details. Browsers use it to present installation options and configure the app’s appearance.
HTML: The markup language used to structure content on the web. It supplies the document structure that browsers render as part of the app.
Web push notifications: Notifications delivered to a browser or device through web push services, often while the site is not open. Progressive web apps can use them to send timely updates with permission.
Hybrid mobile app: A mobile application that packages web technologies inside a native container to access device features. It uses a wrapper, unlike a progressive web app that runs as a website in the browser.
Cross-platform software: Software designed to run on multiple operating systems or device platforms. Progressive web apps pursue broad reach through standards implemented by different browsers.

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