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

https://qqpipi.com//index.php/How_Do_I_Know_If_a_Home_Screen_Icon_Is_a_Web_App_or_Just_a_Shortcut%3F

Safari 26 brings a smoother app-like feel to many websites on iPhone and iPad. When you add a site to your Home Screen, it can open without browser bars or clutter, just like a regular app