“During our year-long research study on Mobile eCommerce Usability at the Baymard Institute, we’ve identified 146 mobile usability guidelines and best practices. Design patterns and UX aspects that, in mobile usability testing of 19 leading mobile eCommerce sites, were consistently proven to perform the best.” Massive effort from Christian Holst here and some amazing insights e.g. Disable Auto-Correct During Checkout. BOOM!