Average position as a metric has been retired since the end of September. This is a big change since for years clients, agencies, and any advertiser has always had at least a little bit of vanity management. By that I mean, everyone at some point submitted a bid with the sole goal of being “number one” and not any actual business metric.

This change was implemented to acknowledge that the average position is not meaningful when you are in a world of personalized search. Stopping vanity bidding is just a beneficial side effect. I wanted to take a look at some data, specifically CPC and CTR, to see how performance varies for top and side positions. I also wanted to look at how these metrics vary on Google.com vs. Search partners. What I found were some very interesting insights that might impact how you think about your campaigns.

When it comes to the differences between Google and it’s partners and top vs. other the keys are:

• Google top vs. other has the biggest differences when it comes to CTR. The data showed a >900% increase in CTR across desktop, mobile, and tablet. This was the highest delta across the entire data set, expect for Partner top vs. other which was nearly 4x the difference.
• Mobile for Google vs. the Partners was also a significant difference at 918%. This was noticeable because the desktop variance was only 30% (basically a tie). The importance of mobile can’t be…