It's important to keep track of your AdSense stats. One way to do this is by writing down the changes you make in a journal. In part 18 of Joel Comm's Google AdSense Secrets presentation, he demonstrates how this is done.
The AdSense Buddy software referred to in this video is available only for Windows 98, NT, and XP.
Joel Comm is Dr. AdSense, an Internet entrepreneur who has been online for more than 20 years. Joel is co-creator of ClassicGames.com, now known as Yahoo! Games and is the author of the web's best-selling AdSense ebook, “Google AdSense Secrets (Or What Google Never Told You About Making Money With AdSense)”.