Safari 26 lets your favorite websites feel more like apps on your iPhone and...

https://www.coast-bookmarks.win/with-safari-26-on-iphone-and-ipad-many-websites-now-feel-much-more-like-apps

Safari 26 lets your favorite websites feel more like apps on your iPhone and iPad. When you add a site to your Home Screen, it can open in a clean view without the usual browser bars