Web standards is the set of formal standards, recommendations (W3C terminology meaning standards), specifications, and body of best practices and widely used conventions used for building your Web pages. It includes:
- HTML 3.2,4.01,5.0;XHTML 1.0, 2.0
- RDF, OWL and the semantic web
- ARIA, WCAG 1 and 2
- Web Services and ReST APIs
- Unicode and other character encoding standards
There are many reasons to adopt standards in your Web site, whether your site is hand-built with and editor, or you use a content management system.