Safari 26 changes how many websites work on iPhone and iPad by making them feel...

https://spark-wiki.win/index.php/What_Should_Developers_Test_First_When_Making_a_Site_Feel_Like_an_App_on_iPhone%3F

Safari 26 changes how many websites work on iPhone and iPad by making them feel more like real apps. When you add a site to your Home Screen, it opens up in a clean, app-like view without the usual browser bars