When web design expert Ben Hunt set out to quantify the difference between an ordinary web site and a great one, he expected to find the key in design simplicity. But when his team more than doubled the conversion rates for a wide range of sites, they identified simple yet powerful solutions involving design, copy, appropriate analysis, classic optimization techniques, and targeted testing. You'll find the fixes easy to implement, and they're all right here.

• Understand the essentials - your market, your...