Errors:
Bad value “//” for attribute “href” on element “link”: Invalid host: empty host.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute value missing.
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 “script” must not have attribute “async” unless attribute “src” is also specified.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “form” role is unnecessary for element “form”.
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.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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