Tutorials:
• CGI Programming 101 - Web programming made simple.
• Password Tutorial - How to password-protect your website.
• Imagemap Tutorial - How to create a client-side imagemap.
• Flash Socket Policy File setup
• Designing an iPhone-Friendly Website

Web Tools:
• Color Picker - a clickable imagemap that tells you the RGB hex values of the color you pick.
• Web 2.0 Name Generator - creates random web 2.0-styled domain names.
• Dot-o-mator - lets you create your own domain name mashups; enter two lists of words (or use a predefined list) and Dot-o-mator combines them into every possible combination. You can then check to see if any of the names are available.

• Web Design
  • HTML
  • Web Design
  • CSS - Cascading Style Sheets
  • Fonts & Icons
• Programming Languages
  • Perl and CGI
  • JavaScript and Ajax
  • PHP

Site Validators (and other tools)

• HTML Validator
• CSS Validator
• Link Checker
• NetRenderer - see how your site looks in IE.
• Shapecatcher - draw any symbol to find out what its unicode character id is.