Errors:
Bad value “og:http://ogp.me/ns# fb:http://ogp.me/ns/fb#” for attribute “prefix” on element “html”.
Element “meta” is missing required attribute “content”.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “only screen and (max-width 640px)” for attribute “media” on element “link”: Expected whitespace or colon but saw “6” instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “navigation” for attribute “role” on element “header”.
Attribute “onselectstart” not allowed on element “div” at this point.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “sample-table-1”.
Attribute “arialabel” not allowed on element “form” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “sample-table-1” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Italy IT