Gesteau.fr W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:dc” not allowed here.
Attribute “xmlns:skos” 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The “version” attribute on the “html” element is obsolete.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.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “menu”.
No “p” element in scope but a “p” end tag seen.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Bad value “11px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Warnings:
Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:skos” is not serializable as XML 1.0.
Empty heading.
The first occurrence of ID “menu” was here.
This document appears to be written in French. Consider adding “lang="fr"” (or variant) to the “html” start tag.
Tunisia TN