Errors:
No space between attributes.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
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”.
Duplicate ID “null”.
Duplicate ID “img_facebook”.
Duplicate ID “img_twitter”.
Duplicate ID “img_youtube”.
The “center” element is obsolete. Use CSS instead.
Attribute “tipo_visualizzazione” not allowed on element “p” at this point.
Attribute “visualizzazione” not allowed on element “div” at this point.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Stray end tag “span”.
Stray end tag “a”.
Attribute “articleid” not allowed on element “div” at this point.
Attribute “vcpos” not allowed on element “div” at this point.
Attribute “format” not allowed on element “div” at this point.
Attribute “gn4id” not allowed on element “div” at this point.
Element “vcwidget” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “defer-src” not allowed on element “img” at this point.
Element “img” is missing required attribute “src”.
End tag “p” implied, but there were open elements.
Unclosed element “a”.
Stray end tag “img”.
End tag “p” seen, but there were open elements.
No “a” element in scope but a “a” end tag seen.
No “p” element in scope but a “p” end tag seen.
Stray end tag “script”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “width” not allowed on element “a” at this point.
Attribute “height” not allowed on element “a” at this point.
Attribute “noresize” not allowed on element “iframe” at this point.
Bad value “300px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
Bad value “380px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The first occurrence of ID “null” was here.
The first occurrence of ID “img_facebook” was here.
The first occurrence of ID “img_twitter” was here.
The first occurrence of ID “img_youtube” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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