Safari 26 brings a new way to experience websites on iPhone and iPad by making...

https://yenkee-wiki.win/index.php/What_Changed_on_Mac_in_2023_with_Safari_Dock_Web_Apps

Safari 26 brings a new way to experience websites on iPhone and iPad by making them feel just like apps. When you add a site to your Home Screen, it opens in a clean, full-screen view with no browser bars—kind of like a native app