What is W3C Validation?

W3C validation is a organization who Errors in the code of any website are pointed out and instructions are given to fix them.

Benfits of W3C Valid Website -​

1. User Experience Increase
2. Quickly Load
3. Early Crawled
4 Google Bot Gives Priority of W3C Valid Website

Conclusion​

W3C validation are important for website ranking. If you fix all errors of website then your website declared W3C validate.