Popularity of online videos reached all-time high during August and Google Sites continued to dominate online video market. According to comScore, Internet users watched more than 25 billion videos during the month, out of which Google Sites accounts for more than 10 billion. On the other hand, 161 million U.S. Internet users, which is 81.6 percent of the total U.S. Internet audience, watched online video during the month of August, which is the largest audience ever recorded. During the month, the average online video viewer watched 582 minutes of video, or 9.7 hours.

Google and YouTube

The August 2009 data from comScore Video Metrix service shows that Google Sites continued to rank as the top U.S. video property as it surpassed the 10 billion videos viewed threshold, representing 40 percent of all videos viewed online. YouTube accounted for 99 percent of all videos viewed at the Google Sites property. Microsoft Sites ranked second with 547 million (2.2 percent) followed by Viacom Digital with 539 million videos viewed (2.1 percent) and Hulu with 488 million (1.9 percent).

More than 161 million viewers watched an average of 157 videos per viewer during the month of August. Google Sites attracted 121.4 million unique viewers during the month (82.8 videos per viewer), followed by Microsoft Sites with 54.9 million viewers (10 videos per viewer) and Yahoo! Sites with 51.6 million viewers (6.9 videos per viewer). On YouTube alone, about 120.5 million viewers watched nearly 10 billion videos (82.6 videos per viewer).

comScore also released some data on top video ad networks. In August, Tremor Media ranked as the number 1 video ad network with a potential reach of 68 million viewers, or 42.2 percent of the total video viewing audience. YuMe Video Network ranked second with a potential reach of 59.1 million viewers (36.7 percent penetration) followed by ScanScout Network with 57.6 million viewers (35.7 percent).