Safari 26 changes how websites work on iPhone and iPad by making many of them...

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

Safari 26 changes how websites work on iPhone and iPad by making many of them feel like apps. When you add a site to your Home Screen, it now opens as a web app—no browser bars or tabs, just the site itself