Errors:
Start tag “head” seen but an element of the same type was already open.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Stray end tag “script”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “property” not allowed on element “meta” at this point.
Element “p” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
Attribute “for” not allowed on element “span” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Unclosed element “nav”.
Unclosed element “header”.
Stray end tag “nav”.
Stray end tag “header”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
Element “img” is missing required attribute “src”.
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 “div”.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
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