http://webdesignledger.com/tips/7-ways-designers-developers-can-optimize-sites-for-search-engines
1. Avoid image heavy designs
2. Don’t design navigation links in images
3. Condense CSS and JS files into one document
4. Keep header tag near top of code
5. Use CSS Sprites
6. Keep the tag lines away from the top
7. Stop using text-indent:-9999px
