It’s not just enough to develop your site using XHTML and CSS, though. It has to be accurate code. Two invaluable tools for checking your source code are offered by the World Wide Web Consortium (W3C):
With valid code you are a few steps closer to ensuring your site will look good across the different web browsers and will help you with the search engines, too. If your site is built to current web standards, the search engines can easily wade through your content. A good Content Management System will take care of this for you.
