process of finalizing a purchase, whether at in a physical or digital environment.

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52
votes
6answers
3k views

Preventing a user from pasting from the clipboard into a mandatory form field

In my online checkout process I, like many checkouts, have a field for the customer's email address along with a field to confirm the email address. They are both identical text boxes and accept email ...
20
votes
9answers
819 views

Is it user-friendly to make the main navigation bar disappear when the user proceeds to checkout?

On e-commerce websites (e.g. Amazon), I noticed that the main navigation bar is not displayed any more when the user proceeds to checkout. Why? If the user wants to go back, he can only do it by ...