Errors:
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Duplicate ID “menu_2”.
Duplicate ID “menu_3”.
Duplicate ID “menu_4”.
Duplicate ID “menu_5”.
Duplicate ID “menu_6”.
Duplicate ID “menu_7”.
Duplicate ID “menu_8”.
Duplicate ID “menu_9”.
Duplicate ID “menu_10”.
Duplicate ID “menu_11”.
Duplicate ID “menu_12”.
Duplicate ID “menu_13”.
No “p” element in scope but a “p” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “menu_2” was here.
The first occurrence of ID “menu_3” was here.
The first occurrence of ID “menu_4” was here.
The first occurrence of ID “menu_5” was here.
The first occurrence of ID “menu_6” was here.
The first occurrence of ID “menu_7” was here.
The first occurrence of ID “menu_8” was here.
The first occurrence of ID “menu_9” was here.
The first occurrence of ID “menu_10” was here.
The first occurrence of ID “menu_11” was here.
The first occurrence of ID “menu_12” was here.
The first occurrence of ID “menu_13” was here.
The “contentinfo” role is unnecessary for element “footer”.
This document appears to be written in French. Consider adding “lang="fr"” (or variant) to the “html” start tag.
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