Ladrome.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Duplicate attribute “lang”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Attribute “about” not allowed on element “meta” at this point.
Element “content” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “contenu”.
Duplicate ID “nav”.
Attribute “alt” not allowed on element “div” at this point.
Attribute “alt” not allowed on element “a” at this point.
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.
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “contenu” was here.
The first occurrence of ID “nav” was here.
The “contentinfo” role is unnecessary for element “footer”.
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