Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “text/html; charset=UTF-8;” for attribute “content” on element “meta”: The legacy encoding contained “;”, which is not a valid character in an encoding name.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Element “option” without attribute “label” must not be empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “maxlength” not allowed on element “input” at this point.
Attribute “maxlength” is only allowed when the input type is “email”, “password”, “search”, “tel”, “text”, or “url”.
Element “input” is missing required attribute “alt”.
Duplicate ID “caroussel-produit”.
End tag “li” implied, but there were open elements.
Unclosed element “a”.
Start tag “a” seen but an element of the same type was already open.
No “a” element in scope but a “a” end tag seen.
Duplicate ID “contour_couleur_inactive”.
End tag “ul” seen, but there were open elements.
Duplicate ID “div_couleur_2988”.
Duplicate ID “div_couleur_2987”.
Duplicate ID “div_couleur_3002”.
Duplicate ID “div_couleur_2995”.
Duplicate ID “div_couleur_2994”.
Duplicate ID “div_couleur_2998”.
Duplicate ID “div_couleur_2999”.
Duplicate ID “div_couleur_3000”.
Duplicate ID “div_couleur_3001”.
Duplicate ID “div_couleur_2990”.
Duplicate ID “div_couleur_2991”.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Stray end tag “ul”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The element “img” with the attribute “usemap” must not appear as a descendant of the “a” element.
Stray end tag “div”.
Malformed byte sequence: “e9”.
Malformed byte sequence: “e8”.
Malformed byte sequence: “e0”.
The hash-name reference in attribute “usemap” referred to “MapInfoBas”, but there is no “map” element with a “name” attribute with that value.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “caroussel-produit” was here.
The first occurrence of ID “contour_couleur_inactive” was here.
The first occurrence of ID “div_couleur_2988” was here.
The first occurrence of ID “div_couleur_2987” was here.
The first occurrence of ID “div_couleur_3002” was here.
The first occurrence of ID “div_couleur_2995” was here.
The first occurrence of ID “div_couleur_2994” was here.
The first occurrence of ID “div_couleur_2998” was here.
The first occurrence of ID “div_couleur_2999” was here.
The first occurrence of ID “div_couleur_3000” was here.
The first occurrence of ID “div_couleur_3001” was here.
The first occurrence of ID “div_couleur_2990” was here.
The first occurrence of ID “div_couleur_2991” was here.
A table row was 3 columns wide, which is less than the column count established by the first row (4).
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Italian. Consider adding “lang="it"” (or variant) to the “html” start tag.