Here a few links to interesting sites:

• 30 Usability Issues Smashing Magazine: 30 Usability Issues
• JQuery: JavaScript Library
• CSS Play CSS: This site contains tons of exemples and layouts
• 35 Designers x 5 Questions 175 professional suggestions,
      tips and ideas from web-developers all around the world
• SEO Search Engine Optimisation
• Member of W3CSites.com W3C sites
• World Wide Design Directory
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