Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Malformed byte sequence: “e9”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
Bad value “javascript:// Montrer la note” for attribute “href” on element “a”: missing } after function body
Malformed byte sequence: “96”.
Malformed byte sequence: “92”.
Duplicate ID “entretiensnf”.
Malformed byte sequence: “e0”.
Malformed byte sequence: “e8”.
Malformed byte sequence: “c9”.
Malformed byte sequence: “ab”.
Malformed byte sequence: “bb”.
Malformed byte sequence: “e7”.
Malformed byte sequence: “c0”.
Malformed byte sequence: “c2”.
Attribute “vspace” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Malformed byte sequence: “fc”.
Malformed byte sequence: “9c”.
Malformed byte sequence: “ee”.
Malformed byte sequence: “f4”.
Malformed byte sequence: “f9”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Malformed byte sequence: “ef”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “entretiensnf” was here.
This document appears to be written in French. Consider adding “lang="fr"” (or variant) to the “html” start tag.
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