Ciwf.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
The “name” attribute on the “option” element is obsolete. Use the “id” attribute instead.
The element “header” must not appear as a descendant of the “footer” element.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “tel:01 79 97 70 50” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
The element “footer” must not appear as a descendant of the “footer” element.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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