In recent months I have been experimenting with iamge ads on the content network.
It's proving to be quite successful, but I do wonder how they decide on the relevancy of an image ad against your chosen keywords or placement site?
I notice that my image ads get served up in very different amounts even though I have the rotate ads evenly selection.
I have one ad that is getting upto 50% of the impressions. Interestingly it is also the one that also gets a much higher CTR.
All of the ads in that ad group are targeted onto one site. They are all exactly the same type of image ad (ie: 728 x 90 px). They all point to the same landing page.
For some reason Google has decided that some ads are more relevant to the site I am targeting than the others and it is therefore giving more impressions to that ad.
I'm assuming it's basing this on CTR history.
The only other idea I have is that they are using the name that you give to your image ad (sneaky of them).
Mike, Im testing the same sorts of things, and I dont understand the results either!
I am also testing movie ads......
It is interesting that google warn against...they say these ads are for "brand awareness and image".....yet I have seen a damn good CTR...
The BIG advantage I see , is that YOU get to choose the colours of the ad, which means you can guarantee to stick out like a sore thumb. - where with conventional ads, the site owner is choosing the colours...
On some sites, even though the site chooser says the accept image ads of a size, only the text ads seem to show.
So still learning on this.
So let us pool the results we get
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Mike....
One test you should do is the one I just referred...
Split test COLOUR on the image ad, it makes a BIG difference....
Check out the site background you are promoting against
Oh I can see how that would effect CTR.
What's got me very interested is how they decide on impressions.
What makes them decide to show one of my image ads instead of another fomr the same adgroup. I am seeing massive difference in the impressions that simliar images ads are getting in the same adgroups - even with even rotation set on.
I'm going to test multiple copies of exactly the same image ad to the same page and see what happens. In theory they should all get the same CTR!