Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:content” not allowed here.
Attribute “xmlns:dc” not allowed here.
Attribute “xmlns:foaf” not allowed here.
Attribute “xmlns:og” 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The “version” attribute on the “html” element is obsolete.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The “profile” attribute on the “head” element is obsolete.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”.
Attribute “href” not allowed on element “button” at this point.
End tag “li” seen, but there were open elements.
Unclosed element “a”.
Start tag “a” seen but an element of the same type was already open.
No “a” element in scope but a “a” end tag seen.
Bad value “primary-content content” for attribute “id” on element “article”: An ID must not contain whitespace.
Attribute “about” not allowed on element “section” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “span”.
Bad value “” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
No “p” element in scope but a “p” end tag seen.
Element “title” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “title” must not be empty.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Attribute “height” not allowed on element “a” at this point.
Stray end tag “section”.
Warnings:
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:og” 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.
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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