This is good catch. I hope the website can be turn down, of all scam sites replicating metamask is a clever move by scammer. They knew that many have using this site especially now that mostly process on using defi includes limited wallet like metamask.
Scammers are now trying to scam people in any way. For this they are creating such fake website everyday.
If you compared most reported common ponzi scheme posted here, this one is highly valuable find since there are many users are using it. The chance of being caught on this is high if the user wouldnt pay attention. Once you unlock your wallet using private key on this site then thats it. The end of your funds.