Sspnet.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.
Attribute “src” not allowed on element “input” at this point.
End tag “header” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “headSearch”.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “section”.
Stray end tag “div”.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “section”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “headSearch” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
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