When I was exploring the web to find out the infographics and resources on Shopping cart abandonment, my search was ended with this excellent infographics, which basically focus on checkout page of an ecommerce site that how you can improve this page so that it will help you (as an online ecommerce store owner) to decrease a shopping cart abandonment rate and what you can Do's and Don't.
Here is the infographics:
source:http://bit.ly/upeuNo