PageSpinner is one of the few HTML editors that will actually help you to learn HTML as you work. To learn even more, check out the links on this page to external resources on the Net that will help to spin a Wonderful Web.
W3C's home page for the HTML Activity where you will find pointers to specifications for HTML/XHTML, guidelines on how to use HTML/XHTML to the best effect, and pointers to related work at the World Wide Web Consortium