Universitygames.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “X-Wix-Meta-Site-Id” for attribute “http-equiv” on element “meta”.
Bad value “X-Wix-Application-Instance-Id” for attribute “http-equiv” on element “meta”.
Bad value “X-Wix-Published-Version” for attribute “http-equiv” on element “meta”.
Bad value “etag” for attribute “http-equiv” on element “meta”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “navigation” for attribute “role” on element “ul”.
Element “img” is missing required attribute “src”.
Element “object” is missing one or more of the following attributes: “data”, “type”.
Bad value “undefined” for attribute “rel” on element “a”: The string “undefined” is not a registered keyword.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “allow” not allowed on element “iframe” at this point.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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