Safari 26 on iPhone and iPad makes many websites feel more like native apps....

https://www.paste-bookmarks.win/safari-26-brings-a-smoother-app-like-feel-to-many-websites-on-iphone-and-ipad

Safari 26 on iPhone and iPad makes many websites feel more like native apps. When you add a site to your Home Screen, it now uses 'Open as Web App' by default