Uschess.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “legacy” for attribute “rel” on element “a”: The string “legacy” is not a registered keyword.
Element “style” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
Bad value “_external” for attribute “rel” on element “a”: The string “_external” is not a registered keyword.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
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