Safari 26 turns many websites into app-like experiences on your iPhone and...

https://station-wiki.win/index.php/Why_Do_I_Keep_Ending_Up_with_Hundreds_of_Icons_on_My_Home_Screen%3F

Safari 26 turns many websites into app-like experiences on your iPhone and iPad. When you add a site to your Home Screen, it behaves more like a standalone app with minimal browser elements