Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Element “form” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “10 décembre 2017, 04:00” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “07 décembre 2017, 21:05” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “07 décembre 2017, 19:00” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
The “nowrap” attribute on the “td” element is obsolete. Use CSS instead.
The element “button” must not appear as a descendant of the “a” element.
Stray end tag “a”.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “div” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Start tag “a” seen but an element of the same type was already open.
Bad value “” for attribute “id” on element “button”: An ID must not be the empty string.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “”.
Saw a “form” start tag, but there was already an active “form” element. Nested forms are not allowed. Ignoring the tag.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Attribute “"” is not serializable as XML 1.0.
The first occurrence of ID “” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in French. Consider adding “lang="fr"” (or variant) to the “html” start tag.
France FR