This page includes dozens of tutorials, reference guides, and tools to help beginners as well as advanced coders to hone their craft. Best of all, everything listed here is free! Explore these sites to discover new ways to expand your web design and development skills.
Developing Accessible Websites - the University of Washington's official site on technology accessibility includes a variety of accessibility-related tips and techniques for web designers and developers
Learning About Everything
W3Schools - in addition to their HTML, CSS, and JavaScript tutorials, they also have excellent tutorials on dozens of advanced topics in web design and development—great for any student who's looking to expand their skills
Code Avengers - free tutorials on HTML, CSS, & JavaScript
Code Academy - free tutorials for learning web design plus several popular programming languages
Colour Contrast Analyser - free downloadable software for Windows and Mac, can be used to check contrast between foreground and background colors anywhere on the computer screen