Safari 26 brings websites closer to app-like experiences on your iPhone and...

https://milosinterestingcolumns.huicopper.com/how-do-i-know-if-a-home-screen-icon-is-a-web-app-or-just-a-shortcut

Safari 26 brings websites closer to app-like experiences on your iPhone and iPad. When you add a site to your Home Screen, it now opens without the usual browser controls, giving a cleaner look just like an app