Errors:
Attribute “xmlns:x” not allowed here.
Element “x:xmpmeta” not allowed as child of element “metadata” in this context. (Suppressing further errors from this subtree.)
Attribute “xmlns:rdf” not allowed here.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “source”: Must be non-empty.
Duplicate ID “Logo”.
Duplicate ID “wrapper”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Attribute with the local name “xmlns:x” is not serializable as XML 1.0.
Attribute “x:xmptk” is not serializable as XML 1.0.
Element name “x:xmpmeta” cannot be represented as XML 1.0.
Attribute with the local name “xmlns:rdf” is not serializable as XML 1.0.
Element name “rdf:rdf” cannot be represented as XML 1.0.
Attribute “rdf:about” is not serializable as XML 1.0.
Element name “rdf:description” cannot be represented as XML 1.0.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “Logo” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “wrapper” was here.
The “type” attribute is unnecessary for JavaScript resources.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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