Errors:
Attribute “xmlns:article” not allowed here.
Attribute “xmlns:book” not allowed here.
Attribute “xmlns:product” not allowed here.
Attribute “xmlns:profile” not allowed here.
Attribute “xmlns:video” not allowed here.
Attribute “name” not allowed on element “link” at this point.
Attribute “hreflang” not allowed on element “li” at this point.
No space between attributes.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Attribute with the local name “xmlns:article” is not serializable as XML 1.0.
Attribute with the local name “xmlns:book” is not serializable as XML 1.0.
Attribute with the local name “xmlns:product” is not serializable as XML 1.0.
Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.
Attribute with the local name “xmlns:video” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The “article” role is unnecessary for element “article”.
The “contentinfo” role is unnecessary for element “footer”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Belgium BE