Article Update: According to MMOwned, they are moving servers, which is the reason their site is offline for some.
Attempts to reach the sites prove unsuccessful.
This is a good thing for everyone that wants to have a more legitimate gameplay experience in WoW, as both of these sites actively encouraged people to exploit bugs, break the ToS, and do all other sorts of tom-foolery that destroyed the game for legitimate players.
Our tipster mentioned that these sites were taken down in part by action taken by Blizzard, however we don't have any proof of that.
I've selected the angry baby picture for this article, since that's how the exploiters and account traders are feeling right now. Buh-bye.