You've probably already noticed it. The look of your AdSense units has changed. No, you didn't push the wrong button and accidentally wipe out all your formatting. And no one hacked into your code and played with your Web page. Google has redesigned its ad units. The changes aren't radical but they do offer a couple of small advantages. First, the "Ads by Google" tag is now at the bottom of the unit instead of... Continue Reading

Last July, I wrote about how Amazon.com was breaking into contextual advertising with its Omakase program. Now they're at it again with another context-based advertising system. This time though, they've taken a leaf right out of Kontera's books. Instead of placing ads in ad units, they're linking to keywords in the text and serving floating ad balloons. You can see samples here and here. Continue Reading

You already know that ad units placed above the fold tend to get the most clicks. But did you also know that Google automatically places the highest-earning ads in the first ad unit on the page? That's very helpful. Before you've done any optimization, you're already getting the most valuable ads in the best spot on your page. The problem comes when you start optimizing. Continue Reading

Remember the Rocky and Bullwinkle show? "Hey Rocky, watch me pull a rabbit out of my hat!" Among the other characters that were featured on this classic cartoon were a pair named Sherman and Mr. Peabody, in a bit called Peabody's Improbable History. In this toon, Mr. Peabody (the dog) would send Sherman to a period in time to see living history. The machine he used was called the WABAC (pronounced "wayback" machine). Fast-forward to... Continue Reading