Uiowa.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.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Attribute “src” not allowed on element “image” at this point.
Element “image” is missing required attribute “height”.
Element “image” is missing required attribute “width”.
End tag “svg” did not match the name of the current open element (“image”).
Attribute “about” not allowed on element “article” at this point.
End tag “p” implied, but there were open elements.
Unclosed element “a”.
End tag “div” seen, but there were open elements.
No “a” element in scope but a “a” end tag seen.
No “p” element in scope but a “p” end tag seen.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “article” role is unnecessary for element “article”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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