Devinci.fr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
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 “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Stray end tag “div”.
Stray end tag “label”.
Element “option” without attribute “label” must not be empty.
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 “ul” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Duplicate ID “copyright”.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “copyright” was here.
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