Nature Air had 17 separate landing pages. They did a single A/B test on each landing page. The control did not make the CTA prominent:
Then they put the CTA in the content area:
Conversions went from 2.78% to about 19%, meaning their conversions improved 591%!
Key Findings:
-No matter how compelling your offer, if you don’t make it easy for visitors to click on something, they’ll never know. Make your CTA prominent, part of the content area, and easy to find. You’ll preferably want to keep it above the fold.
Source:http://www.blastam.com/blog/index.php/2009/06/google-website-optimizer-increases-conversion-591/
