Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:fb” not allowed here.
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.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
The “version” attribute on the “html” element is obsolete. You can safely omit it.
The “profile” attribute on the “head” element is obsolete.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.
Duplicate ID “zoo”.
Bad value “5207” for attribute “rel” on element “a”: The string “5207” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “5330” for attribute “rel” on element “a”: The string “5330” is not a registered keyword.
Bad value “5079” for attribute “rel” on element “a”: The string “5079” is not a registered keyword.
Bad value “popup-5116” for attribute “rel” on element “a”: The string “popup-5116” is not a registered keyword.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Bad value “popup-5329” for attribute “rel” on element “a”: The string “popup-5329” is not a registered keyword.
Bad value “popup-3711” for attribute “rel” on element “a”: The string “popup-3711” is not a registered keyword.
Duplicate ID “agglo”.
Duplicate ID “vie-quotidienne”.
Duplicate ID “avenir-projets”.
Duplicate ID “entreprendre”.
Duplicate ID “telepaiement”.
Duplicate ID “offres-emploi”.
Duplicate ID “agenda”.
Duplicate ID “video”.
Duplicate ID “administration”.
Duplicate ID “roue”.
Duplicate ID “cadenas”.
Attribute “g:plusone:count” not allowed on element “a” at this point.
Attribute “g:plusone:annotation” not allowed on element “a” at this point.
Attribute “g:plusone:size” not allowed on element “a” at this point.
Bad value “mailto:?subject=Partage d'une page de mulhouse-alsace.fr&body=” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
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.
The first occurrence of ID “zoo” was here.
The first occurrence of ID “agglo” was here.
The first occurrence of ID “vie-quotidienne” was here.
The first occurrence of ID “avenir-projets” was here.
The first occurrence of ID “entreprendre” was here.
The first occurrence of ID “telepaiement” was here.
The first occurrence of ID “offres-emploi” was here.
The first occurrence of ID “agenda” was here.
The first occurrence of ID “video” was here.
The first occurrence of ID “administration” was here.
The first occurrence of ID “roue” was here.
The first occurrence of ID “cadenas” was here.
Attribute “g:plusone:count” is not serializable as XML 1.0.
Attribute “g:plusone:annotation” is not serializable as XML 1.0.
Attribute “g:plusone:size” is not serializable as XML 1.0.
This document appears to be written in French. Consider adding “lang="fr"” (or variant) to the “html” start tag.