trust no one willing to let competitors ads appear on their website, even if it can get some revenue: help competitors to publicize and promote its growth in the fight against themselves, and so on, its brand is also a kind of invisible but great harm. Maybe this is AdSense launched a competitive advertising filter in mind, let’s have more or less controllable release to some extent in their advertising on the site, to avoid showing competitive sites, services and their advertising.
however, AdSense competitive advertising filters were widely used in the other hand, many publishers to use low-cost advertising shielding, by avoiding cheap advertising on the web so as to enhance the overall revenue of AdSense. Objectively speaking, although the Google of this approach has been holding very clear "not recommended" or even "against" attitude, but before, especially in the field of AdSense English, still has a certain effect, after all English field of a large number of high priced ads, and AdSense arbitrage – simply mechanism was popular at the time that is, through bidding keywords low in AdWords get traffic, and then through a large number of MFA high – income and the corresponding key word and in AdSense (Made For AdSense) site, from the publisher’s point of view, it is the biggest feature of advertisement price is extremely low, and the shielding, sometimes can indeed make more "quality" or simply more expensive advertisements appear in the publisher web page.
however, the Google has explicitly banned the AdSense arbitrage as well as the gradual removal of the MFA site today, especially for Chinese AdSense publishers, is it necessary to continue to adopt this approach?
AdSense competitive advertising filter and advertising bidding
to explore this question, we should think about why the Google function is called competitive advertising filter (Competitive Ad Filter) instead of cheap advertising filter , as mentioned above, its purpose is to allow publishers to shield their own web site and competing ads; think again why Google has been opposed to the competitive advertising filter used to shield the low-cost advertising practices, although some people insist that this is Google’s lies, publishers and advertising filtering worry affect their own income, but more logical question is Goo>