Errors:
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:article” not allowed here.
Attribute “xmlns:book” not allowed here.
Attribute “xmlns:profile” not allowed here.
Attribute “xmlns:video” not allowed here.
Attribute “xmlns:product” not allowed here.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
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.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “name” on element “button”: Must not be empty.
Bad value “” for attribute “id” on element “ul”: An ID must not be the empty string.
Duplicate ID “”.
Bad value “” for attribute “id” on element “li”: An ID must not be the empty string.
Bad value “tel:+33 (0) 388 727 717” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “dropdownMenu1”.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:article” is not serializable as XML 1.0.
Attribute with the local name “xmlns:book” is not serializable as XML 1.0.
Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.
Attribute with the local name “xmlns:video” is not serializable as XML 1.0.
Attribute with the local name “xmlns:product” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
The “complementary” role is unnecessary for element “aside”.
The first occurrence of ID “dropdownMenu1” was here.
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