Depends on the quality of traffic. I have a high volume image site that gets about 20 million page views a month on which I earn about $1500. Users usually don'

Depends on the quality of traffic. I have a high volume image site that gets about 20 million page views a month on which I earn about $1500. Users usually don't spend more than 5-6 seconds on each page, so each ad impression has a very small value.