Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | books | about  CSS/ xhtml: does validation matter? (19 Nov 2004) Warning: mega-geeky subject matter! One of the questions I was asked at mediaelements was by a guy who'd read my tirade against the invalidity of embedding Flash. The question was "Does validation matter?". It's a question that is being discussed a lot lately, and I pitched in with my unfashionable opinion. Validation is important as a step to making your sites work, but it's not the be-all and the end-all. If I were running a team, for example, I would require full xhtml and css validation as part of the acceptance process, unless there was justification for accepting invalid code. In a sort of code-shop version of Guantanemo Bay, validation failures are assumed guilty until they can prove their innocence. Article URL: http://brucelawson.co.uk/index.htm#valid Read 10 more articles from By Special Request sorted by date, popularity, or title. Next Article: Digital Simplicity: Usable Personal Ubicomp     This site is a labour of love built by Chris McEvoy