Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
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”.
Attribute “1” not allowed on element “div” at this point.
Stray end tag “meta”.
End tag “p” seen, but there were open elements.
Unclosed element “a”.
No “a” element in scope but a “a” end tag seen.
Attribute “content” not allowed on element “p” at this point.
Bad value for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Attribute “2” not allowed on element “div” at this point.
Attribute “3” not allowed on element “div” at this point.
Attribute “4” not allowed on element “div” at this point.
Attribute “5” not allowed on element “div” at this point.
Attribute “6” not allowed on element “div” at this point.
Attribute “allow” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Attribute “1” is not serializable as XML 1.0.
Attribute “2” is not serializable as XML 1.0.
Attribute “3” is not serializable as XML 1.0.
Attribute “4” is not serializable as XML 1.0.
Attribute “5” is not serializable as XML 1.0.
Attribute “6” is not serializable as XML 1.0.
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