Userplane announced that the company has been ranked as the 27th largest ad network in the U.S. for the month of March by comScore, Inc..

Given that the comScore top 30 consists almost entirely of pure-play ad networks, the ranking affirms the success of Userplane’s longtail strategy around its Userplane Money offering. Userplane Money, which was launched in May 2007, is a revenue-sharing solution that serves up unobtrusive ads to publishers and Userplane-branded products — including its instant messaging platform Webmessenger, Webchat and widget offerings. Userplane’s core business is the development and distribution of feature-rich social applications.

According to comScore’s March 2008 Media Metrix report, Userplane’s ad network displayed nearly 28 billion during March, placing the company comfortably among the top 30 ad networks. comScore rankings, which are considered the definitive benchmark for accessing the productivity of Web properties, are generated using comScore Ad Metrix, its proprietary technology solution that provides advertisers and publishers with detailed profiles of online display ad views.

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