Warnings:
The “banner” role is unnecessary for element “header”.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
Errors:
Attribute “valign” not allowed on element “nav” at this point.
Attribute “valign” not allowed on element “div” at this point.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “div” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “a” at this point.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Bad value “” for attribute “aria-controls” on element “a”: An IDREFS value must contain at least one non-whitespace character.
No space between attributes.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “p” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “input” at this point.
End tag “br”.
The “aria-labelledby” attribute must point to an element in the same document.
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