Markup Validation | W3C Toolbox

Markup Validation | W3C

This validator checks the markup legitimacy of web script in HTML, XHTML, SMIL, MathML, and so forth. In the event that you wish to approve explicit substance like RSS/Atom channels or CSS templates, MobileOK content, or to find broken links. There are other validators and devices accessible too. As an elective you can likewise attempt our non-DTD-based validator.

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