Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” 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 “style” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
End tag “a” did not match the name of the current open element (“svg”).
End tag “a” violates nesting rules.
End tag “span” did not match the name of the current open element (“svg”).
End tag “span” seen, but there were open elements.
Unclosed element “svg”.
Bad value “none” for attribute “role” on element “a”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
“role="none"” is not yet supported in all browsers. Consider instead either using “role="presentation"” or “role="none presentation"”.
The “contentinfo” role is unnecessary for element “footer”.
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