Errors:
Malformed byte sequence: “92”.
Malformed byte sequence: “e0”.
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “iso-8859-1” for attribute “charset” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
No space between attributes.
Attribute “alt” not allowed on element “input” at this point.
Attribute “border” not allowed on element “input” at this point.
The “align” attribute on the “input” element is obsolete. Use CSS instead.
Duplicate ID “searchform”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “area” is missing required attribute “alt”.
Duplicate ID “divisore_partners”.
Duplicate ID “sez2”.
Duplicate ID “sez3”.
Duplicate ID “sez7”.
Duplicate ID “sez24”.
Duplicate ID “sez4”.
Duplicate ID “sez62”.
Malformed byte sequence: “f9”.
No “p” element in scope but a “p” end tag seen.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Duplicate ID “titolo”.
Duplicate ID “autore_pagina”.
Malformed byte sequence: “c1”.
Duplicate ID “prima_lettera”.
Duplicate ID “testo”.
Duplicate ID “lc”.
The element “a” must not appear as a descendant of the “button” element.
Malformed byte sequence: “e8”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “qh_rstampa”.
Duplicate ID “newsletter”.
Duplicate ID “qh_newsletter”.
Duplicate ID “form_newsletter”.
Duplicate ID “nome”.
Duplicate ID “email”.
Duplicate ID “cognome”.
Duplicate ID “azienda”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Element “nobr” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “searchform” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “divisore_partners” was here.
The first occurrence of ID “sez2” was here.
The first occurrence of ID “sez3” was here.
The first occurrence of ID “sez7” was here.
The first occurrence of ID “sez24” was here.
The first occurrence of ID “sez4” was here.
The first occurrence of ID “sez62” was here.
The first occurrence of ID “titolo” was here.
The first occurrence of ID “autore_pagina” was here.
The first occurrence of ID “prima_lettera” was here.
The first occurrence of ID “testo” was here.
The first occurrence of ID “lc” was here.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “qh_rstampa” was here.
The first occurrence of ID “newsletter” was here.
The first occurrence of ID “qh_newsletter” was here.
The first occurrence of ID “form_newsletter” was here.
The first occurrence of ID “nome” was here.
The first occurrence of ID “email” was here.
The first occurrence of ID “cognome” was here.
The first occurrence of ID “azienda” was here.
This document appears to be written in Italian. Consider adding “lang="it"” (or variant) to the “html” start tag.