For PWAs running in standalone mode, Chromium prepends the short_name (or, if it's not available, the name) to what is specified in the of the HTML document to prevent disguise attacks where standalone apps might try to be mistaken, for example, for operating system dialogs. This title is displayed in various window-switching surfaces such as alt+ tab, overview mode, and the shelf window list. Operating systems usually expect to have a title for each app window.

If both are provided, short_name is used on the user's home screen, launcher, or other places where space may be limited. You must provide at least the short_name or name property. json extensions, which may be easier for developers to understand.Ī typical manifest looks something like this: Key manifest properties # short_name and/or name # The specification suggests the extension should be. The manifest file can have any name, but is commonly named manifest.json and served from the root (your website's top-level directory).

Manifest files are supported in most browsers though support for individual members may vary quite a bit. A typical manifest file includes the app name, the icons the app should use, and the URL that should be opened when the app is launched, among other things. The web app manifest is a JSON file that tells the browser about your Progressive Web App and how it should behave when installed on the user's desktop or mobile device.

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