Inside AdSense: Have a track attack with new referral channels

Inside AdSense: Have a track attack with new referral channels: We've added the option to assign channels to your referral units. Now, when you're generating the code for any referral unit, you can specify a channel to track the performance of that specific referral unit.

You can use the more detailed channel reporting to track anything from whether text or button referral formats perform better, to whether Firefox referrals are more successful on your product pages or your news pages. Channels will help you experiment to find out what's most effective in referring users from your site.