Safari 26 on iPhone and iPad helps many websites feel more like apps by...

https://www.beacon-bookmarks.win/safari-26-changes-how-websites-work-on-iphone-and-ipad-to-feel-more-like-real

Safari 26 on iPhone and iPad helps many websites feel more like apps by improving the Home Screen experience. When you add a site to your Home Screen, you can choose 'Open as Web App' so it launches without the usual browser bars and menus