1. Fast and easy checkout is a must

Payment processing actually begins before a customer enters her credit-card information to make a payment. You have to consider the entire process, starting from the moment she considers adding an item to her digital shopping cart.

According to the Baymard Institute, the average online shopping cart-abandonment rate is 69.57 percent. While there may be several reasons why a customer might abandon her digital shopping cart, the top-cited factors were too-high shipping and tax costs, a site requiring users to create an account or a checkout process that was simply too long.