Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Duplicate ID “breadcrumb”.
No space between attributes.
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
The “cellpadding” attribute on the “table” element is obsolete.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The “cellspacing” attribute on the “table” element is obsolete.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The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Bad value “sion d'attestations” for attribute “type” on element “a”: Expected a token character or “/” but saw “ ” instead.
Bad value “ConsultatiConsultation des donConsultation des données des étudiants, créanées des étudiants, créaon des données des étudiants, cr” for attribute “type” on element “a”: Expected a token character or “/” but saw “ ” instead.
Stray end tag “div”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “breadcrumb” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in French. Consider adding “lang="fr"” (or variant) to the “html” start tag.
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