Once you start to learn more about the Google AdSense program and start incorporating it onto the pages on your Web site, you’ll find that there are a number of different variations on AdSense, and that while “AdSense for Content” is the most popular, there’s also AdSense for Search and AdSense for Feeds, among others. But do they all pay out at the same rate for a given clickthru, even if displaying the same advertisement from the same merchant?
Turns out that I received a question on this exact topic and have explained why AdSense for Search is not, in fact, anywhere as profitable as AdSense for Content, at:
If you haven’t gotten started with AdSense yet, then you might well be missing a chance to monetize your Web site traffic in a way that’s really a win/win for everyone involved. Learn more: AdSense.