Forum Moderators: martinibuster
You'd still get the highest-paying ads, but you'd also get lower-paying ones. That could drive down your average for a click.
In fact that's exactly what I've found on pages that held only one ad unit and then had 2 and 3 added. When I added the additional ads just about everything went down. When I removed them it came back up.
Then again, I run a niche directory and people are coming to me looking for "stuff" so the more "stuff" I can show them the better it seems to pay.
I started with just a leaderboard and skyscraper. Then I added AdLinks and my revenue increased even more. Then by accident I ended up with 2 leaderboards plus the skyscraper and ad links and now I'm making even more money.
You never know, it varies from site to site.