1. 홈페이지 기준
http://www.zeldman.com/
http://webstandards.org/
http://webstandardsgroup.org/
http://www.nypl.org/styleguide/
2. 시맨틱 코드가 있다
http://brainstormsandraves.com/articles/semantics/structure/
3. 검증
http://validator.w3.org/
http://www.htmlhelp.com/tools/validator/
http://webboy.net/presentation/validation.cfm
4. 접근성
http://www.joeclark.org/
http://www.accessify.com/
http://www.juicystudio.com/
5. 스타일 시트 CSS
http://webboy.net/presentation/ict2004/01.htm
http://webboy.net/presentation/ict2004/02.htm
http://webboy.net/presentation/ict2004/03.htm
http://westciv.com/style_master/academy/css_tutorial/
http://css.maxdesign.com.au
http://www.thenoodleincident.com/tutorials/css/
6. 예시 사이트(XHTML+CSS)
http://www.macromedia.com/
http://www.k10k.net/
http://www.fyrebase.com/
http://www.onetruefit.com/
http://pixeltable.com/
http://www.fishmarketing.net/