According to Hitwise, MSNBC.com’s Countdown with Keith Olbermann microsite was the tenth most visited Website among all cable networks; it was the 8th most visited when children’s programs Sponge Bob (Nick) and Clone Wars (Cartoon Network) are not factored in.

As for broadcast network Websites, ABC.com regained the top spot last week. FOX.com is #2, even though FOX’s American Idol is the #1 ranked broadcast network show Website.

Another big mover last week was the Website for the TLC program “Jon & Kate Plus 8″. The show is not in original episodes at the moment, but press reports about Jon Gosselin surely helped drive traffic to the Discovery Communications site.

Click here to see the rankings…