Google Adsense - Manage Ads: Attracting Relevant Ads

Proper choice of color and placement will allow you to improve your CTR. But it influences the selection of ads appear on its website.
In theory, one that controls the Google ads on your site so you can not choose at all. In practice, there are a few things you can do to prevent irrelevant ads appear and
ensure that the ads provided by Google to pay enough well.
The more relevant an ad, the more likely that the user clicks and therefore you earn money.
The most important factor is obviously the content of your site. The robot I checked Google's and provides ads based on their keywords and content.
Note that the Google bot can not read graphics, Flash and almost nothing but text. But for now, it's important to remember that if you want ads, it is necessary that your site is of a kind that Google is able to understand and use so I can provide advertisements
desired.