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

https://record-wiki.win/index.php/What_Changed_on_Mac_in_2023_with_Safari_Dock_Web_Apps

Safari 26 brings a smoother app-like experience to many websites on your iPhone and iPad. When you save a site to your Home Screen, it opens cleanly without the usual browser bars getting in the way