With Safari 26 on iPhone and iPad, many websites now act more like standalone...

https://oliviasinsightfulthoughts.novacrestiq.com/posts/how-do-portrait-and-landscape-layouts-work-in-browser-games

With Safari 26 on iPhone and iPad, many websites now act more like standalone apps. When you add a site to your Home Screen, it opens without the usual browser bars, giving you a cleaner, more app-like feel