Online video sites saw traffic soar by 41% in the month of August. Nielson Online just released figures to prove industry expectations correct.

The month-over-month growth for August was 2.40% and the year-over-year growth was 18.00% for unique web-video users.

Youtube was by far the industry leader, followed by Hulu, Yahoo, MSN/WindowsLive/Bing, and Nickelodeon Kids and Family Network respectively.