Using the 106 x 600 banner will kill any higher paying ads displaying on your site. Each time I enable a 160×600 Adsense unit I see my Adsense ecpm drop to less than $1.00 for US traffic sometimes even as low as a few cents. The CTR for the 160×600 is also very low as people are not only used to 160×600 ad units but using a popular ad format you can fall victim to advertisers who target low paying adformats using placement targeting. This results in the same advertisers showing on each of your pages and lowering CTR leaving you with many visitors seeing irrelevant ads.
Then there is the problem of rich media ads showing in the 160×600 ad units if you have such a large section of your pages running flash your page will gain page load time and your search engine rankings can be effected. Try other Adsense formats and test them but if you keep running large banner ads do not expect to earn much from adsense.You may read on high traffic blogs that the 160×600 is a good performing unit but maybe this is because they are the type of advertisers targeting the ad unit to get their advertising for less with Google AdWords placement targeting.
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Besides my blog here on this Unfocused blog I also write about Instrumental Music on my other blog |
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