10 Design Principles via CodeAcademy.com 1) Aim for a single-column layout. 2) Social Proof: Leverage Testimonials 3) Use color sparingly and associate it w/ specific actions. 4) Fewer Form Fields 5) Reduce Calls-to-Action 6) Content First. Chrome (Actionable UI Elements) Second. 7) Hierarchy. Let type, color and white space rule. 8) Incorporate easily recognizable icons and means to let users know where they left off. 9) Bigger Buttons. 10) Welcome, even when there's no data to show.