基礎講座のリンク

W3C HTML validator

http://validator.w3.org/

Recommended Doctype Declarations to use in your Web document.

http://www.w3.org/QA/2002/04/valid-dtd-list.html

Mozilla Web標準化Tips

http://www.mozilla.gr.jp/standards/webtips0015.html

Stuffandnonsense - Andy Clarke

http://stuffandnonsense.co.uk/

For a beautiful web - Andy Clarke

http://forabeautifulweb.com/