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

https://www.alphabookmarks.win/safari-26-brings-a-fresh-feel-to-using-websites-on-your-iphone-and-ipad-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 can open without browser bars or clutter, just like a regular app