Errors:
Attribute “xmlns:fb” not allowed here.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
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”.
Duplicate attribute “class”.
Element “style” not allowed as child of element “li” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
No “p” element in scope but a “p” end tag seen.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “twipsy” for attribute “rel” on element “a”: The string “twipsy” is not a registered keyword.
Element “source” is missing required attribute “srcset”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Text not allowed in element “ul” in this context.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Warnings:
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 “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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