You can currently upload only static websites to Shift testnet Phanthom.They will soon introduce dynamic support (dynamic website is for example this forum).
so what youre saying, is that Shift only has a testnet running?
Same as Sub then:
#SubstratumFAQ
Q: Does it work?
A: In Alpha I we proved we can route requests using our network of nodes and render requests through the #Substratum network.
Full Video: youtu.be/LPCfmiO4a4M