W3C's easy-to-use markup validation service, based on SGML and XML parsers.
A good mailto link can beat a thousand contact forms and it's way easier to implement. This guide will show you how to get the full benefit!
Web designers like to throw around a lot of jargon. So, I want to focus on the more popular techno-babble and try to dispel some of the mystery. First up: semantic code.