You may know or heard lot about W3C standard. Many website templates feature theme self as W3C valid. You can check your site for W3C validation.
First short information about what is W3C. W3C stands for World Wide Web Consortium. W3C’s main activity includes the development of World Wide Web standards. They focus to develop guidelines and protocols for the future growth of Web. It was founded in 1994 and focus to develop common protocols which promote the growth and help in the interoperability of World Wide Web.
W3C was founded by Sir Tim Berners-Lee; the group is made up of member organizations which maintain full-time staff for the purpose of working together in the development of standards for the World Wide Web.
As far as its location is concerned, W3C works from three different locations. W3C is not a single headquarter organization. The three institutions which comprise W3C include MIT in Cambridge, MA, USA, Keio University in Tokyo, Japan, and ERCIM in Sophia-Antipolis, France. In addition to this, W3C has 17 other regional offices, as well which it refers as “W3C Offices”.
W3C runs a free service through which you can validate your web pages against standard norms. This free service by W3C is known as Markup Validator. Although W3C Validation is not mandatory, but by validating web pages you can drastically enhance the quality of your web pages and thus save your precious time and money. Using Markup Validator you can process almost all types of documents written in various markup languages.
Markup Validator W3C Validation Service checks HTML, XHTML, SMIL, MathML etc validations. It can validate other type of web documents as well such as XML DTD or SGML.
If it found the error it shows the code line where the error exists. After validation you can solve the problems and make your site W3C valid.
There are some more validation checks available on W3C where you can check MarkUp Validation, Link Checker, and CSS Validation.
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