ComScore Admits Errors in its Yahoo Data for June

©IDG Communications, Inc. Photo contributed by Matthew Mikaelian.

ClickZ, 7/27/10

Online audience measurement firm comScore underreported data on Yahoo’s page views and duration metrics for June, the companies announced today.

According to a press release issued by Yahoo, its U.S. page views were down 4.7 percent, month-over-month, not 7.4 percent as reported by comScore. In addition, the average period of time users spent on its properties was down 4.3 percent, not 6.4 percent. In real numbers, Yahoo’s audience was underreported by more than 1 billion page views and its duration metrics by approximately 850 million minutes.

The error concerned traffic to Yahoo’s news, sports, finance, TV, movies, music, and health properties. Overall, it affected data for a total of seven territories, including Canada, France, Germany, the Netherlands, Spain, and the U.K. As a result, comScore’s aggregated E.U. and worldwide data will also be impacted.

Read more

Want to partner with IDG?

Click here to get started