Better ad picking - idea for Google

Increasing CTR for everybody

[relicx]

Here is another idea that I think should help increase CTR for many people, and that Google doesn't appear to be doing. It may not make as big a difference for my sites as my idea about parsing the referral string from search engines for keywords to improve ad targeting ([webmasterworld.com ]) but it should help.

If a page is about a topic A that mentions subtopics A1, A2, A3, etc. (or it doesn't appear to be focused on any deeper subtopic) with multiple ad spots, and there are ads about subtopics A1, A2, A3, etc., and if the visitor doesn't appear to be specifically interested in any one of these subtopics, the AdSense should show ads from more than one subtopics, even if the ads from ex. subtopic A1 are currently highest performing. Right now, it appears that if AdSense determines that the subtopic A1 is the best performing one, my page only gets ads about that subtopic. The result of this is that only visitors interested in subtopic A1 will click on ads. If the worst performing ad about subtopic A1 was replaced by the best performing ad from A2, A3, etc., the CTR for visitors interested in that other subtopic (ex. A2) would go up dramatically, without significantly lowering the CTR for visitors interested in A1, since they would still have plenty of ads to click on.

[lammert]

This idea has already be implemented by AdSense and is called AdLinks. It gives the visitor the possibility to choose the subtopic he wants to see ads for.

Furthermore, if you use AdSense for a longer time, you will see that ad rotation takes place.

[relicx]

No, ad rotation and AdLinks are not even close to what I'm suggesting.