Tag Archives: blocks

Hello

Until today I thought that bigger Ad formats tend to do better in CTR and eCPM (RPM) then smaller formats.

So I thought:

• 125×125 < 234×60 < 468×60 < 728×90, and
• 180×150 < 200×200 < 250×250 < 300×250 < 336×280

Of course Ad size depends on the design of a website and therefor a nicely blended smaller Ad can have better effect then an out of place bigger Ad.

• But wait, is it really this linear?
• Are bigger Ad formats really better in earnings?

A few month ago I did a 50:50 split test for about 1 day and compared a large rectangle with the medium rectangle.

In that days I did not have image Ads activated.

The medium rectangle performance was so low that I kicked it right away.

Yesterday, after spending much thought on this I started a new 50:50 split test again with a Large  Rectangle comparing to a medium rectangle.

And so far the results are overwhelming.

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