Happ-e.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Duplicate ID “main-content”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “h2” not allowed as child of element “b” in this context. (Suppressing further errors from this subtree.)
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “main-content” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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