Dredf.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 “xmlns:v” not allowed here.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Bad value “30%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Bad value “45%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
No “p” element in scope but a “p” end tag seen.
End tag “p” seen, but there were open elements.
Unclosed element “span”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Attribute with the local name “xmlns:v” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “list” role is unnecessary for element “ul”.
The “contentinfo” role is unnecessary for element “footer”.
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