Errors:
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:addthis” not allowed here.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “label” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “addresspadback”” not allowed on element “div” 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.
Stray end tag “a”.
The element “button” must not appear as a descendant of the “a” element.
End tag “div” seen, but there were open elements.
Unclosed element “main”.
Stray end tag “main”.
Stray end tag “div”.
End tag “br”.
The “center” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:addthis” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
Attribute “addresspadback”” is not serializable as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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