Original: The site serves over 20 billion page views per month , putting it in 37th place overall among web sites worldwide and 10th place overall among web sites in the United States ( per Alexa.com on , 2011 ) , with over unique monthly visitors in the United States alone ( per Compete.com on , 2010 ) .
Simplified: The site serves over nine billion page views per month , putting it in 56th place overall among web sites world wide , ninth place overall among web sites in the United States ( per Alexa.com on January 10 , 2008 ) , to over thirty million unique visitors .