G134 validating web pages
W3C validation is the process of checking a websites code to determine if it follows the formatting standards.
If you fail to validate the pages of your website based on W3C standards, your website will most likely suffer from errors or poor traffic owing to poor formatting and readability.1. W3C validation helps you to get better rankings in search engines.
statement) and are valid according to the HTML version specified by the document type declaration.
See Understanding Techniques for WCAG Success Criteria for important information about the usage of these informative techniques and how they relate to the normative WCAG 2.0 success criteria.