Just a couple of pointers to increase your Google Adsense Revenue.
1] Place a robots.text file in the root directory of your sites.
You can find out all about the robots.text file at Google Webmaster Tools.
Basically you need to give permission for the Google bot to access all your pages that have adsense placed on them.
here is an example: create the text file in notepad. Then load to your root folder as robots.text
User-agent: Mediapartners-Google
Dissalow:
User-agent:*
Dissalow:/place whatever directory you do not want to be seen by any bot except the Google media agent/
User-agent:*
Dissalow:[place whatever file you do not want the bots to see except by the Google media agent]
ie; /*.free_downloads$
2.
Enclose pertinent code on your adsense pages with the following comment to target specific keywords for ad display.
<!-- google_ad_section_start-->
<p This is the code you want google to see so that they place relevant ads to this content./>
<!--google_ad_section_end-->
Cheers,
Kitty.