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I review my site and adblocks are occupied with some MFA sites and a bunch of directory sites. I also removed "On-Site Advertising" because I am seeing the same ads on every pages of my site, thinking I was site targeted.
Does filtering those sites I mentioned will do good or harm my site? Arent we earning from them? Or we will earn better without them on our site because high-paying sites will be displayed on ad blocks?
Lastly, did I made the right move?
The beauty of the filter is that you can easily use it and see what it does to your revenue. If it does not improve, you just release the filter again, and everything should go back to "normal" within reasonable time.
1) Give the filter a week or two to settle in. A 24-hour experiment may not be long enough to get sufficient results.
2) Use the preview tool to determine the URLs to be blocked.
3) Repeat the excercise of finding MFAs once a day to remove also the 2nd/3rd level of MFAs.
4) You will also want to look for certain services on the web offering generic MFA lists. They might (!) give you an idea about other URLs to be blocked.
It also has to be said (yet again) that Google does NOT place top ads in the top slots. It places what it THINKS MIGHT be the best payers based on a lot of factors. Unfortunately it gets it wrong a lot, and places the MFA's who gain placement primarily because they are good at manipulating the system - not because they pay well, as they most certainly don't. Therefore blocking them makes financial sense. Just be careful to follow the advice in the above posts.
Arbitrage scams work by e.g. buying $0.03 clicks for keywords like DVD , leading it to a site containing only ads and some very limited pharmaceutical high paying terms (and resulting in a high chance for a $3 click ... as long as they can con 1% of your visitors they make money.
Do watch out if you have little other inventory in your niche: The scams you see might get replaced by even worse scams and you might run out of space in your filter before you can get rid of them all.
Once every so often clean out your filters as the advertisers switch domains and stuff your limited filtering with domains they don't use anymore.
Kiss cheap arbitrage goodbye, so let them in, they're paying for the privilege :)
[edited by: incrediBILL at 5:12 am (utc) on Nov. 19, 2006]