Mobile performance has been on everyone’s minds the past few years, and everyone knows that smartphone click-through rates have been trumping desktop and tablet click-through rates for some time. But just how important is ad position for marketers looking to capture the attention of their audience? We took a look at click-through rates by ad position to examine just how important this is. The data we examined consists of a large sample set of all Marin US clients.
By examining click-through rates, we can already see that position #1 for smartphones is much more important than that of desktops. Surprisingly, tablets show a similar trend to smartphones, even though they use the same SERP format as desktops. Upon closer examination, however, we see that smartphone CTR drops off much more rapidly than either desktops or tablets, at an average of 30% per position, versus 22% and 28% respectively.
By looking at the CTR-share by ad position, we can see that almost 40% of click-throughs are made in the first position. This is a third more than on desktop, and 10% more than on tablet. Why does this happen? If we take a look at the differences between the desktop and smartphone format, we find that many times on mobile, only a single ad is displayed on the top of a SERP. Meanwhile, on a desktop SERP, we see three or more ads on the exact same search. Naturally, this means that smartphones will see a much larger percentage of clicks go towards the first result.
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