The checkout process is a popular area of your site to test, and for good reason. When a visitor has added items to cart and clicks the “proceed to checkout” button, it’s a good indication of purchase intent! But often carts are abandoned early in the process – even at the login screen. Your design and copy on this page have a major impact on whether customers figure out which option is right for them (sign in, create account or guest checkout) and make it smoothly through to the next step.
As I’ve written about before, Amazon and Sears’ radio button approach is likely the “path of least resistance.” But if you want to test for yourself, the following is an inspiration gallery of 4 different approaches to log in: the aforementioned radio button, two-option, three-option and expanded/one-page.
Must read for anyone involved in usability and web design..