Here are some links to great web development sites:

• Digital Technology in the Humanities is a project of the College of Arts and Humanities at the University of Maryland at College Park. They offer free classes in web development to faculty and graduate students. Even if you're not affiliated with the University, their web site has good intro information.
• Web Developer is an amazing on-line resource of information from beginning HTML to advanced Perl and Javascripting.
• Web Monkey is another on-line guide with resources from color codes to tutorials for kids.