Safari 26 lets websites feel more like native apps on your iPhone and iPad....

https://wiki-triod.win/index.php/Can_Safari_Handle_Streaming_and_Live_Video_Without_an_App%3F

Safari 26 lets websites feel more like native apps on your iPhone and iPad. When you add a site to your Home Screen, it opens without browser bars or tabs, giving you a cleaner, full-screen view