Errors:
Duplicate attribute “dir”.
The “profile” attribute on the “head” element is obsolete.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 “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Stray end tag “head-placeholder”.
Stray end tag “css-placeholder”.
Stray end tag “js-placeholder”.
Bad value “additional resources” for attribute “id” on element “a”: An ID must not contain whitespace.
Bad value “Additional Resources” for attribute “name” on element “a”: An ID must not contain whitespace.
Duplicate attribute “class”.
Duplicate ID “additional resources”.
Duplicate attribute “id”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Attribute “about” not allowed on element “article” at this point.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Attribute “about” not allowed on element “div” at this point.
Stray end tag “js-bottom-placeholder”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “additional resources” was here.
The “article” role is unnecessary for element “article”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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