http://webbuildingnews.net/story.php?id=24651 AdSense Earning = Impression-count x Click-though-rate x Cost-per-click x smart-pricing-factor. Impression count is basically referring to your traffic. It means the number of times AdSense block is displayed. Click-through-rate (CTR) is ratio of clicks per impressions. It can range from 0.1% to 30%, but most commonly around 1% to 10%. Cost-per-click (CPC) is... Tue, 09 Mar 2010 08:15:57 PST en