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

https://www.pop-bookmarks.win/safari-26-turns-many-websites-into-app-like-experiences-on-your-iphone-and

Safari 26 brings a smoother app-like feel to many websites on your iPhone and iPad. When you add a site to your Home Screen, it can now open without the usual browser bars, giving you more screen space and less distraction