I turned this into a native app and rewrote it in Flutter. It now lets you organize your native apps as well as websites. It’s much faster, doesn’t rely on a domain, and includes other native features like tab minimization. 
https://video.nostr.build/188998285049a18fc23eec45fb6fd6e83e1623be46c8910f355ba3bf68599569.mp4 

 Sweet!