This infographic doubles as a guide to optimizing your shopping cart and checkout experience: - Red is the most popular checkout-button color (31%), green is 20% and blue 19% - Just 9% of checkouts are 3-step (vs 54% 4-step and 33% 5-step) - The average # of form fields in a checkout process is 25 - 84% of ecommerce sites offer express checkout - 2 out of 3 ecommerce sites offer guest checkout - 32.35% of checkouts use black asterisks for required fields (vs 31.62% red)