The $300 Million Button

Jared M. Spool
UIE Brain Sparks
Published in
4 min readOct 27, 2015

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[While Luke Wroblewski was writing his well-received book, Web Form Design: Filling in the Blanks, he asked if I could think of an example where a change in a form’s design made a noticeable difference in business. “You mean like $300 million of new revenue?” I responded. “Yes, like that.” said Luke. So I wrote this article, which he published in his book.]

How Changing a Button Increased a Site’s Annual Revenues by $300 Million

It’s hard to imagine a form that could be simpler: two fields, two buttons, and one link. Yet, it turns out this form was preventing customers from purchasing products from a major e-commerce site, to the tune of $300,000,000 a year. What was even worse: the designers of the site had no clue there was even a problem.

The form was simple. The fields were Email Address and Password. The buttons were Login and Register. The link was Forgot Password. It was the login form for the site. It’s a form users encounter all the time. How could they have problems with it?

The problem wasn’t as much about the form’s layout as it was where the form lived. Users would encounter it after they filled their shopping cart with products they wanted to purchase and pressed the Checkout button. It came before they could actually enter the information to pay for the product.

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Jared M. Spool
UIE Brain Sparks

Maker of Awesomeness at Center Centre - UIE. Helping designers everywhere help their organizations deliver well-designed products and services.