http://conversionxl.com/8-universal-web-design-principles-you-should-to-know/#.
The design of your website is more important for conversions than you think. You can implement any conversion boosting tactic in the world, but if it looks like crap, it won’t do you much good.
Design is not just something designers do. Design is marketing. Design is your product and how it works. The more I’ve learned about design, the better results I’ve gotten.
Here are 8 effective web design principles you should know and follow.