W3C compliant means :
- increase accessibility for people with disabilities
- overall website visitor experience improved
- W3C validation helps you reduce the amount of coding on your pages -
- W3C validation helps by emphasizing the importance of content
- Your website can be accessed from mobile devices such as PDA, mobile phones, etc.
- Different browsers will display your website in the same way, regardless of their architecture and functionality concepts.
I hope this will help you decide to validate your website
