Safari 26 on iPhone and iPad helps websites feel 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 feel more like apps by improving how they work from the Home Screen. When you add a site to your Home Screen and use the new "Open as Web App" option, the site launches without the usual browser bars and menus