RESTON, VA – A study by comScore’s Ad Metrix service showed that social networking sites accounted for more than 20 percent of all display ads viewed online in July.

MySpace and Facebook combining to deliver more than 80 percent of ads among sites in the social networking category.

“Over the past few years, social networking has become one of the most popular online activities, accounting for a significant portion of the time Internet users spend online and the pages they consume,” said Jeff Hackett, comScore senior vice president.

“Social networking sites now account for one out of every five ads people view online. Because the top social media sites can deliver high reach and frequency against target segments at a low cost, it appears that some advertisers are eager to use social networking sites as a new advertising delivery vehicle.”

AT&T ranked as the top display advertiser on social networking sites in July with more than 2 billion ad impressions, which accounted for 30 percent of the company’s total number of display ads delivered during the month. Experian Interactive, which delivered a heavy rotation of ads for educational degree programs and credit scores, ranked second with nearly 1.3 billion impressions in the category.

Two of the top ten advertisers on social networking sites in July delivered the vast majority of their impressions within the category.

Pangea Media, which primarily advertises a variety of love and celebrity quizzes, delivered 90 percent of its ads on social networking sites, while online gaming provider Zynga delivered 97 percent of its ads on these sites.

Online: www.comscore.com

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