Use Safari web apps on Mac - Apple Support

Starting with macOS Sonoma, you can use Safari to save any webpage as a web app, so that you can use it independently of Safari. Web apps offer a streamlined, app-like experience and easy access from the Dock.

Web Push for Web Apps on iOS and iPadOS

Mac

How to set up Safari parental controls on iPhone, iPad & Mac

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Use your internet accounts on Mac - Apple Support

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iOS PWA Compatibility －