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

https://www.logo-bookmarks.win/safari-26-on-iphone-and-ipad-makes-many-websites-feel-more-like-apps-by

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 now opens in a clean, distraction-free window without browser bars