Errors:
Attribute “about” not allowed on element “a” at this point.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Bad value “” for attribute “name” on element “button”: Must not be empty.
Duplicate attribute “id”.
Element “div” not allowed as child of element “ol” in this context. (Suppressing further errors from this subtree.)
Attribute “about” not allowed on element “article” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “section”.
Stray end tag “section”.
Stray end tag “div”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “article” role is unnecessary for element “article”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “navigation” role is unnecessary for element “nav”.
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