Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:article” not allowed here.
Attribute “xmlns:book” not allowed here.
Attribute “xmlns:profile” not allowed here.
Attribute “xmlns:video” not allowed here.
Attribute “xmlns:product” not allowed here.
Attribute “xmlns:content” not allowed here.
Attribute “xmlns:dc” not allowed here.
Attribute “xmlns:foaf” not allowed here.
Attribute “xmlns:rdfs” not allowed here.
Attribute “xmlns:sioc” not allowed here.
Attribute “xmlns:sioct” not allowed here.
Attribute “xmlns:skos” not allowed here.
Attribute “xmlns:xsd” not allowed here.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
The “version” attribute on the “html” element is obsolete. You can safely omit it.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
End tag “label” seen, but there were open elements.
Unclosed element “span”.
Attribute “selected” not allowed on element “a” at this point.
Attribute “accepts-charset” not allowed on element “form” at this point.
Attribute “rolw” not allowed on element “ul” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “<front>” for attribute “href” on element “a”: Illegal character in path segment: “<” is not allowed.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
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:profile” is not serializable as XML 1.0.
Attribute with the local name “xmlns:video” 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:content” is not serializable as XML 1.0.
Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:foaf” is not serializable as XML 1.0.
Attribute with the local name “xmlns:rdfs” is not serializable as XML 1.0.
Attribute with the local name “xmlns:sioc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:sioct” is not serializable as XML 1.0.
Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.
Attribute with the local name “xmlns:xsd” is not serializable as XML 1.0.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
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