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"W3C Markup Validation Service" icon

W3C Markup Validation Service

W3C Markup Validation Service is an accessibility tool that checks the markup validity of HTML, XHTML, SMIL, and MathML documents. The W3C Markup Validation Service is a free service in which users copy and paste the HTML page that they wish to validate and the tool checks it. The user can also choose different options that they wish to validate the website with....

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