Here is an example of some on-page elements and online marketing factors that can help increase conversions:
http://www.youtube.com/watch?v=GhEMnbsiUKE&context=C333c669ADOEgsToPDskIwAhEh2hLjigU_Gv8ATz1b
And you can see more examples on my YouTube channel. Subscribe to it to learn more optimization techniques!