Dell said his company's "scale-to-size" servers are proving popular with customers, listing several companies, such as USAToday.com, Exxon-Mobil Corp.

CNN: Dell: PCs, servers, storage to remain growth areas

ABCNews.com came in second, with USAToday.com and CNN.com rounding out the top four.

FORBES: FoxNews.com Tops with News Consumers, HuffPost Dead Last

Some articles end up on the websites of more conventional media, including USAToday, which runs travel tips produced by Demand Media.

ECONOMIST: Can technology help make online content pay?