Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete.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The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Bad value “mailto:mauro@boscarol.com?subject=Informazioni sui corsi personali” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “mailto:mauro@boscarol.com?subject=Informazioni sui corsi” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
Stray end tag “span”.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Bad value “media/Lonigo07 40-1-2.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Warnings:
The “border” attribute is obsolete.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.
Italy IT