On his blog, Tim explains why rotating YPN and Adsense ads can be a bad idea, at least if you make them rotate them more often than every few hours or so. I’ve never attempted myself to do that, but it’s always a good thing to keep such little tricks in mind—if only because they can help you generate more revenue, prevent you from committing mistakes that can make you lose money, or, worse comes to worst, put you in violation of the TOS.
My YPN ads were not targeted as well towards the content on the site. I was getting lots of ads for Comcast, LendingTree, and Vonage. So I added these three sites to my Ad Blocking list and waited the two days recommended by the FAQs… however the ads still remained.
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So the next logical question was why am I getting PSAs on YPN? After having a few of the YPN engineers look at my site they figured out the reason it was getting PSAs was because I was rotating pageviews between YPN ads and AdSense ads. Basically the YPN bot that crawls pages to determine the content was getting confused because the page content was constantly changing and the YPN ads were there one second and gone the next. So each time a YPN ad was displayed it triggered a new “content review” and PSAs would be displayed.
An interesting read, and one I’ll keep in mind if someday I’m to rotate ads as well on my blogs.