Us Internet users watch an average of three hours¬†of¬†online video per month, according to research firm comScore’s Video Metrix report for July 2007. Google Sites topped the July rankings with both the most unique video viewers and most videos viewed.

Google Dominates Online Video

July saw Americans view more than 9 billion videos online, with Google Sites once again ranking as the top U.S. video property with nearly 2.5 billion videos viewed (27.0 percent share of videos), 2.4 billion of which occurred at YouTube.com. Yahoo! Sites ranked second with 390 million (4.3 percent), followed by Fox Interactive Media with 298 million (3.3 percent) and Viacom Digital with 281 million (3.1 percent).

In total, nearly 134 million Americans viewed online video in July, or approximately three in four U.S. Internet users. Google Sites also captured the largest online video audience with 67.8 million unique viewers, followed by Fox Interactive Media with 35.8 million and Yahoo! Sites with 35.3 million.

Other Highlights:

• Online viewers watched an average of more than three hours of online video during the month (181 minutes).
• The average online video duration was 2.7 minutes.
• Nearly three out of four (74.2 percent) U.S. Internet users viewed video online.
• More than one out of three (36.7 percent) U.S. Internet users viewed video on YouTube.com.
• The average online video viewer watched 68 videos, or more than two per day.