I loaded up the Kongregate home page and tried to open some of the links under the “hot new games” and “highest rated games” sections. The links redirected to “page not found” at kotaku.com. The rest of the URLs were correct, they just had kotaku.com substituted for kongregate.com.
instead of http://www.kongregate.com/forums/7/topics/new
After a few failures, I logged out and in again, which fixed the problem. Just thought someone might want to know