Errors:
Quirky doctype. Expected “<!DOCTYPE html>”.
The “background” attribute on the “body” element is obsolete. Use CSS instead.
Duplicate ID “fb-root”.
Malformed byte sequence: “e0”.
Malformed byte sequence: “f9”.
Malformed byte sequence: “f1”.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete.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The “width” attribute on the “td” element is obsolete.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The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “mappa del sito.htm” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Element “style” not allowed as child of element “td” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “p” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Attribute “bordercolor” not allowed on element “table” at this point.
The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete.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The “cellpadding” attribute on the “table” element is obsolete.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The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “center” element is obsolete. Use CSS instead.
Element “g:plusone” not allowed as child of element “center” in this context. (Suppressing further errors from this subtree.)
End tag “p” implied, but there were open elements.
Unclosed element “noscript”.
Stray end tag “noscript”.
No “p” element in scope but a “p” end tag seen.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Malformed byte sequence: “e8”.
Malformed byte sequence: “ec”.
Element “div” not allowed as child of element “font” in this context. (Suppressing further errors from this subtree.)
Element “hr” not allowed as child of element “font” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “font” in this context. (Suppressing further errors from this subtree.)
Element “center” not allowed as child of element “font” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “f2”.
End tag “a” violates nesting rules.
End tag “font” violates nesting rules.
End tag “p” seen, but there were open elements.
Unclosed element “b”.
Element “p” not allowed as child of element “b” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
End tag “td” seen, but there were open elements.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “div”.
Element “hr” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
Unclosed element “strong”.
Element “p” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “strong” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “e9”.
Malformed byte sequence: “92”.
Unclosed element “font”.
The “big” element is obsolete. Use CSS instead.
Warnings:
The first occurrence of ID “fb-root” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Element name “g:plusone” cannot be represented as XML 1.0.
This document appears to be written in Italian. Consider adding “lang="it"” (or variant) to the “html” start tag.