A really interesting question was asked recently on Answers, discussing the importance and relevance of CSS validation. It would be interesting to discover how much stock developers actually do put in to it, or, is it more important to focus on the actual page being able to function? We would love to hear from you.
As a developer being able to write valid XHTML code is one of the most sought out requirements. Valid XHTML can be a daunting obstacle to overcome if the developer is either in-experienced or has little or no knowledge dealing with code. Improperly placed elements, and incorrectly nested characters can prolong the inevitable work of coding a website.