Safari 26 on iPhone and iPad helps websites act more like apps by improving...

https://highstylife.com/how-do-i-add-a-website-to-my-ipad-home-screen-and-make-it-feel-like-an-app/

Safari 26 on iPhone and iPad helps websites act more like apps by improving Home Screen behavior. When you add a site to your Home Screen, it now opens in a clean, app-like window without the browser’s address bar