Safari 26 brings a smoother app-like experience to many websites on iPhone and...

https://mill-wiki.win/index.php/What_Should_a_Developer_Still_Add_on_Top_of_Safari_26_for_a_Better_Web_App

Safari 26 brings a smoother app-like experience to many websites on iPhone and iPad. When you add a site to your Home Screen, it now launches without browser bars and controls, making it feel more like a native app