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1 Introduction - 2 Ad Rank - 3 Quality Score - 4 Advert Price 5 eCPM - 6 eCPM explained - 7 Statistics - 8 Position Weight 9 PW Simulator - 10 Smartpricing - 11 SP Simulator - 12 Adsense Simulator The order in which ads are placed on your page is determined by Google's Ad Rank formula, which is: Ad Rank = Quality Score x BidThey apply this formula to every advert that is relevant to your page and to the visitor. The ads with the highest Ad Rank appear at the top. So, in addition to the bid, the Quality Score is a very important factor in determining the order on the page. The Quality Score is determined by the formula: Quality Score = Click Through Rate x Ad Relevancy x Keyword Relevancy x Landing Page QualityAll of these numbers are mostly related to the advert, rather than your page. The exact meaning of the numbers and the system used by Google is not known, but the principle is illustrated by the following table. I'm sticking with the example of a 160 x 600 tower used in the previous article, so the "TS" column below identifies which tower slot each ad will occupy (1 = top, 5 = bottom). The ad with the highest Ad Rank goes in the top slot, second highest in the second, etc.: In the Adsense Simulator, you won't need to input all these numbers for each ad, our system generates them randomly. However, as we'll see later, the reason this is included in the course is that it is important to understand where statistics come from in order to use them. You can 'play' with the numbers in the spreadsheet above to see what effect changing the quality score has on ad position. When you are ready, we'll move on to look at how the actual price is set (because it is different from the original bid). |