Univcan.ca 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.
No space between attributes.
Duplicate attribute “un”.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “un” not allowed on element “img” at this point.
Attribute “squelette” not allowed on element “img” at this point.
Attribute “dans” not allowed on element “img” at this point.
Attribute “laboratoire.'” not allowed on element “img” at this point.
Stray end tag “divù”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
No “p” element in scope but a “p” end tag seen.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Attribute “laboratoire.'” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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