What is w3c validator? what is use in SEO?

The W3C Validator is a useful tool for making sure your code matches the standards set for the web, increasing the chance that all readers will see your pages as intended.
http://validator.w3.org/ is the page for HTML and XHTML.
http://jigsaw.w3.org/css-validator/ is the page for CSS.
As errors in your code would interfere with proper SEO, I would think the service would be important.

Thank you for sharing ideas and information that have sense, I really appreciate your postings. this will help a lot of people who have the same problem. hope to see more helpful posting in the future.


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Fordalex006 i agree with you......................