Uncc.edu W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Attribute “datatype” not allowed on element “span” at this point.
Attribute “content” not allowed on element “span” at this point.
Duplicate attribute “class”.
Attribute “about” not allowed on element “div” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h4” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h3” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Stray end tag “div”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
United States US