Measuring the impact of user experience on growth and return on investment is essential in making a business case and allocating resources to develop or redesign experiences within a company. Thus, examining factors that can impact the return on investment of web design are of great importance to companies. In this talk, we propose a basic model that provides a scientific framework for predicting the business value of a web design, and review the initial test of our model via an experiment using an actual live website in a Fortune 500 company.