4 Principles of Good Design for Websites

From Andrew Houle's blog:

This post dissects 4 principles of web design that help you create cleaner, more aesthetically pleasing sites.

1. Contrast
2. Repetition
3. Alignment
4. Proximity

It’s unbelievable how much better your designs will become when you take into consideration these four basic principles. There are always more things to consider, but a foundation of contrast, repetition, alignment and proximity will improve your designs dramatically.