Errors:
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “iso-8859-1” for attribute “charset” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
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”.
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.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “only screen and (max-device-width: 640px)” for attribute “media” on element “link”: Deprecated media feature “max-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.
Malformed byte sequence: “e9”.
Malformed byte sequence: “e8”.
Malformed byte sequence: “c9”.
Malformed byte sequence: “e0”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Malformed byte sequence: “ea”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
This document appears to be written in French. Consider adding “lang="fr"” (or variant) to the “html” start tag.
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