How to arrange items on your section pages using analytics data

From the excellent Neuromarketing blog comes a great post entitled "Order Effect Affects Orders" that shows that you should put your most important items first, because that's what people will click on and buy.

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In other words, the item in position 0 should get more clicks than the one in position 6 on this sample section page. I thought I'd see if this is found to be true by looking directly at web analytics data.

What I did is not only track the pageview, but also the position via an onclick event using event tracking. (Side note for Yahoo! Stores: you can pretty easily determine the position of the ids in the Contents field by using the POSITION RTML operator).

What's nice is that I can now aggregate the positions across all section pages. After just a few hours of gathering data it looks like there is already a confirming pattern emerging:

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The data comes from an online retailer that has section pages with three items per row. I would caution that not a lot of data has been collected at the time of this writing, but I find this type of analysis pretty amazing.

Here is what I would do with the data: