It was the biggest month ever for online video viewing, with more than 170 million unique U.S. Internet users tuning in, each watching an average of 182 videos during the month.
Google’s sites took the lion’s share, accounting for 39% or 12.2 billion of all videos viewed; 99% of those viewings were through YouTube. Google raked in 129 million unique viewers — with 94.7 videos viewed by each — compared to Yahoo!’s sites, which reached 55 million viewers (only 8.5 videos per each).
Hulu trailed Google in views with 924 million (3%), while Viacom Digital claimed third place with 500 million (1.6%) and Microsoft sites followed with 480 million (1.5%).
As for video ad networks, Tremor Media boasted the greatest potential reach with 85 million viewers (49.8% of the total viewing audience) and 20% penetration. Advertising.com had a potential reach of 80 million viewers (47.1%) and YuMe had 73 million (43%), while BBE and BrightRoll had 17.5% and 16.6% actual penetration, respectively.