With Safari 26 on iPhone and iPad, many websites now act more like standalone...

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

With Safari 26 on iPhone and iPad, many websites now act more like standalone apps. When you add a site to your Home Screen, it opens without the usual browser bars, giving you a cleaner, more app-like feel