CSS

• Yahoo YUI
• Listamatic - great CSS examples
• Floatutorial - examples of floating things in CSS

HTML

• RFC 2396 - URI definition
• RFC 3986 - Updated URI definition

Javascript

• Prototype API

Charset

• Joel on Software article on charsets
• Latin1 info
• TM at cool site on charsets
• %E2%84%A2 = TM in UTF8

RSS

• Feed Validator
• RSS 2.0 Spec
• RSS autodiscovery guide
• jrss- simple java rss generator
• RSS icons
• RSS Advisory Board