Pixelcoin difficulty is 2 at the moment and your site reporting 0.6389
Friend your estimations are extremely misleading, Pixelcoin is the top coin in your list now but it is very fake info, probably other coins are false.
I fixed pixelcoin, I will enable it in 24 hours, the time for registering real difficulties
I will check all other coins with stopped blockchain!
I remind you this is a beta version!
I'm making the possible for serve you all an exellent service
Luca,
whatmine.com