Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “box_submenu1” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “entry” was here.
The first occurrence of ID “username” was here.
The first occurrence of ID “password” was here.
The first occurrence of ID “Pagina341398” was here.
The first occurrence of ID “menu_1_2” was here.
The first occurrence of ID “menu_1_3” was here.
The first occurrence of ID “menu_1_4” was here.
The first occurrence of ID “menu_1_13” was here.
The first occurrence of ID “menu_1_5” was here.
The first occurrence of ID “menu_1_6” was here.
The first occurrence of ID “menu_1_7” was here.
The first occurrence of ID “menu_1_8” was here.
The first occurrence of ID “menu_1_10” was here.
The first occurrence of ID “menu_1_11” was here.
The first occurrence of ID “menu_1_12” was here.
The first occurrence of ID “Pagina341409” was here.
The first occurrence of ID “Pagina348006” was here.
The first occurrence of ID “box_submenu2” was here.
The first occurrence of ID “Pagina341410” was here.
The first occurrence of ID “Pagina341412” was here.
The first occurrence of ID “Pagina341411” was here.
The first occurrence of ID “titolo-property” was here.
The first occurrence of ID “last_year” was here.
Empty heading.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
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”, “modulepreload”, “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”.
Duplicate ID “box_submenu1”.
Bad value “” for attribute “id” on element “li”: An ID must not be the empty string.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “input” at this point.
Duplicate ID “entry”.
Duplicate ID “username”.
Duplicate ID “password”.
Duplicate ID “Pagina341398”.
Duplicate ID “menu_1_2”.
Duplicate ID “menu_1_3”.
Duplicate ID “menu_1_4”.
Duplicate ID “menu_1_13”.
Duplicate ID “menu_1_5”.
Duplicate ID “menu_1_6”.
Duplicate ID “menu_1_7”.
Duplicate ID “menu_1_8”.
Duplicate ID “menu_1_10”.
Duplicate ID “menu_1_11”.
Duplicate ID “menu_1_12”.
Duplicate ID “Pagina341409”.
Duplicate ID “Pagina348006”.
Duplicate ID “box_submenu2”.
Duplicate ID “Pagina341410”.
Duplicate ID “Pagina341412”.
Duplicate ID “Pagina341411”.
Duplicate ID “titolo-property”.
Element “option” without attribute “label” must not be empty.
No space between attributes.
Stray end tag “b”.
Duplicate ID “last_year”.
CSS: “font-weigth”: Property “font-weigth” doesn't exist.
Bad value “tab2” for attribute “rel” on element “a”: The string “tab2” is not a registered keyword.
Bad value “tab1” for attribute “rel” on element “a”: The string “tab1” is not a registered keyword.
Bad value “subtab1” for attribute “rel” on element “a”: The string “subtab1” is not a registered keyword.
Bad value “subtab2” for attribute “rel” on element “a”: The string “subtab2” is not a registered keyword.
Bad value “subtab3” for attribute “rel” on element “a”: The string “subtab3” is not a registered keyword.
Bad value “subtab4” for attribute “rel” on element “a”: The string “subtab4” is not a registered keyword.
Bad value “tab3” for attribute “rel” on element “a”: The string “tab3” is not a registered keyword.
Bad value “tab4” for attribute “rel” on element “a”: The string “tab4” is not a registered keyword.
Bad value “tab_21” for attribute “rel” on element “a”: The string “tab_21” is not a registered keyword.
Bad value “tab_22” for attribute “rel” on element “a”: The string “tab_22” is not a registered keyword.
End tag “div” seen, but there were open elements.
Unclosed element “footer”.
Stray end tag “footer”.
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