Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Start tag “head” seen but an element of the same type was already open.
The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
The “background” attribute on the “body” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete.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The “width” attribute on the “table” element is obsolete.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The “border” attribute on the “table” element is obsolete.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The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
The “align” attribute on the “h3” element is obsolete. Use CSS instead.
The “align” attribute on the “h2” element is obsolete. Use CSS instead.
Bad value “mailto:bureau-www@emath.fr?subject Contact site web” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Stray end tag “script”.
Stray end tag “noscript”.
Attribute “nosave” not allowed on element “img” at this point.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
France FR