Founded in 1994, the W3C is an international consortium of companies. Each of the companies is involved in some way with the Internet and the Web. Most of the members of the W3C are involved in Web-based projects such as conducting extensive research on the Web, developing specifications for the Web, developing Web-based products, or utilizing Web technologies as enabling mediums. The most important W3C standards are:

 HTML
 XHTML
 CSS
 XML
 XSL
 DOM

We, at Shah Net make W3C validation website. In search engine W3C features is very helpful to get best ranking.

It’s widely believed that if, or perhaps more appropriately when, a case makes it to court that the W3C accessibility guidelines will be used to assess a website’s accessibility and ultimately decide the outcome of the case. The W3C is the Internet governing body and its web accessibility guidelines can be found on its website.