Apmg-international.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “about” not allowed on element “meta” at this point.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Bad value “” for attribute “name” on element “button”: Must not be empty.
Element “div” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The element “footer” must not appear as a descendant of the “header” element.
Attribute “datatype” not allowed on element “span” at this point.
Attribute “content” not allowed on element “span” at this point.
Attribute “about” not allowed on element “div” at this point.
Attribute “xlink” not allowed on element “svg” at this point.
Attribute “title” not allowed on element “path” at this point.
Stray end tag “span”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The “complementary” role is unnecessary for element “aside”.
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