There is an uncomfortable truth about responsive web design: acceptable performance can be a bear to achieve. Responsive web design (RWD) adds the content, tailored fit, and finish for a broad array of devices that marketing, line of business, and customer experience professionals demand, but it can also drag down performance. Your team must take steps to isolate and alleviate responsive performance snags in order to ensure your end users' experience (and consequently your organization's bottom line) doesn't suffer. Forrester has identified three steps that application development and delivery (AD&D) pros should follow to deliver a site that looks good and performs well.