TT280, Web Applications: Design, Development and Management, is one of the six short courses in the Web Application Development Certificate. The course is based around two books; Designing Websites, Joel Sklar and HTML Second Edition, Reding/Vodnik.
Here is a list of some of the websites I found useful during the course.
W3C World Wide Web Consortium
W3C HTML Validator
W3C CSS Validator
W3C Index of HTML
4 Attributes
W3C Index of HTML
4 Elements
Aware Accessible Web Authoring Resources
and Education
Designing More Usable Web Sites
Usable Web
Useit.com Jakob Nielson, usability guru.
W3Schools online tutorial
Also HTML examples, you can edit the HTML and view the result.
HTML and CSS Tutorials.
Advanced HTML tutorials
Forms, metatags etc.
Pageresource CSS
W3schools CSS pages
Tutorial, example and reference.
Webmonkey
Mulders style sheets
TU170
T171
T181
T183
TT280
T209
Student Sites
Tutor Sites
OU links
Quick Link
TT280 page, other course on the site include U120, U316, S180
and S190.
Bill
Larnach