Checklists for good HTML and efficient CSS

Efficient CSS

cascading reminder:
http://www.w3.org/TR/CSS21/propidx.html

Efficient CSS - for:
http://css-tricks.com/efficiently-rendering-css/

http://www.shauninman.com/archive/2008/05/05/css_qualified_selectors#comment_3942

Against:
http://clipperhouse.com/blog/post/Please-dont-write-efficient-CSS.aspx

GOOD HTML coding standards
http://css-tricks.com/examples/CleanCode/Beautiful-HTML.png

http://faq.programmerworld.net/web_publishing/a-web-standards-checklist.html

http://www.peachpit.com/articles/article.aspx?p=24011&seqNum=3

Also:
Use widths and heights for images