Form design: multiple inputs versus one input

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There’s been some comments about this on Twitter.

While most fields are made up of just one input, like an email address, some fields (that are essentially one value) could be split into multiple inputs, like a sort code.

This is done to help users read back their answer more easily, in small chunks, or to help users meet the formatting requirements of something like a reference number.

While using multiple inputs can be helpful, most of the time it’s completely unnecessary and it has a number of drawbacks.

Here, I’ll explain why that is and I’ll show you how