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

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

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