Erroring when asking an unnecessary question (Asking a user to select their credit card type)

Posted on Jan 5, 2015

If you know anything about online payments, then you know that certain card types start with certain numbers. e.g. MasterCard cards start with 5, and visa start with 4. If a user starts entering 5xxx then you’ll know its a MasterCard card. As an example of poor user experience I discovered recently when paying online, […]