This is a http://focussearch.com.au
Conversion Rate Optimisation: Checkout Page Tips To Increase Conversion Rates
REDUCE STEPS TO PURCHASE
A general rule of thumb is the least amount of clicks to purchase the better. In fact it's not just a rule of thumb it's proven. (Click on the link above (presenter points to the top right (viewers right) blake adds link into video.)
The less hoops to jump through the more likely it will be that a user purchases. Is it possible to amalgamate two pages together or to delete a step? Do you have to make a user register to purchase? What happens if you allow users to purchase without compulsory registration? Your conversion rate will increase!!!