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

https://www.charliebookmarks.win/safari-26-helps-websites-feel-more-like-apps-on-your-iphone-and-ipad-by

Safari 26 brings a smoother, more app-like feel to many websites on iPhone and iPad. When you add a site to your Home Screen, it now behaves more like a native app with fewer browser elements visible