Portals Average Ad Revenue Per Unique Visitor

How much money do websites like Google, Yahoo and AOL make on an average against a unique visitor? A recent study published by Experian Hitwise has revealed that Google is the leader in not just the overall advertising revenues and number of unique visitors, but is also the top when it comes to the revenues/visitor number. The study concludes that Google makes nearly double per unique visitor as made by the next biggest in line, Yahoo.

Here are the numbers published in the study (based on revenues and uniques so far in 2010)

Google : $52.50
Yahoo : $22.16
AOL : $10.60
Microsoft : $8.33