The Online Publishers Association says its members, the largest online publishers, are reporting their online ad revenue is up 40.7% in the first quarter over the first quarter of 2002. Interestingly, total revenue was up 37.6%, suggesting that non-advertising revenue sources are not keeping up as a share of total revenue.

The members of the OPA are the largest online publishers, including of About.com, Bankrate.com, Belo Interactive, CBS MarketWatch, CNET Networks, CondeNet, COXnet, Edmunds.com, ESPN.com, Forbes.com, Hearst, Internet Broadcasting Systems, Knight Ridder Digital, Meredith, MSNBC.com, New York Times Digital, Scripps Networks, Slate, SportingNews.com, Tribune Interactive, USATODAY.com, Wall Street Journal Online, weather.com and Washingtonpost.Newsweek Interactive.