Cogeco.ca W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “en-on-I” for attribute “lang” on element “html”: Bad region subtag.
Bad value “en-qc” for attribute “hreflang” on element “link”: Bad region subtag.
Bad value “fr-on” for attribute “hreflang” on element “link”: Bad region subtag.
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Bad value “” for attribute “type” on element “input”.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “alt” not allowed on element “a” at this point.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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