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Nielsen: Mobile Internet Extends Site Reach By 13%

Mobile Internet extends the audience reach of many leading Internet sites by an average of 13% over home PC traffic alone, according to a new cross-platform Internet measurement service that Nielsen has launched.

For some categories, such as weather and entertainment, the extended reach can be even greater, according to data released Thursday by TotalWeb. The new report integrates data from Nielsen Mobile and Nielsen Online to show the unduplicated, unique audience for more than 200 leading Internet sites across the PC and mobile Internet space.

 Nielsen’s data shows that for many Internet publishers, mobile Internet increases the overall size of their audience.

“The data demonstrate that the mobile Internet can not only increase the frequency of visits to a web site, but also grow the overall size of the pie,” Jeff Herrmann, vice president of Mobile Media for  Nielsen Mobile, said in a statement. “Publishers can now monetize their total cross-platform audience, and advertisers will better understand the efficiency and incremental value of mobile Web traffic.”

Nielsen released data that shows – by category – how mobile traffic increases, or “lifts,” Internet audience levels. Weather sites get a strong lift from mobile, meaning there are people who access the sites over their phone but not over their home PC, while shopping sites have a mostly duplicated audience, meaning that mobile users who access shopping sites on their phone likely also do so over their home PC:

According to Nielsen, 87 million U.S. mobile users subscribe to mobile Internet services, and 13.7% actively uses mobile Internet each month.

TotalWeb integrates data from Nielsen Online and Nielsen Mobile to report how the segment uses both mobile devices and PCs to access the Web. Nielsen collects TotalWeb data through a survey of active mobile Internet users in Nielsen Online’s MegaPanel. Members of the metered panel have their Internet access and behavior via mobile devices and PCs analyzed to provide site-level reporting of unique audience, active reach, unduplicated audience, audience overlap, and demographics across platforms.

“Unduplicated measurement of the total Internet audience will help show advertisers the value of our cross-platform audience,” Dave Wrieden, executive director at, said in a prepared statement. received a 43% audience lift from mobile Internet users.

“Nielsen’s TotalWeb service is the only product that gives us that number and so is an important advancement in Internet audience measurement,” Wrieden said.