Errors:
Bad value “” for attribute “href” on element “link”: Must be non-empty.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
No space between attributes.
Element “sidebar” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “facebook-like-box”.
Duplicate ID “content-section”.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “facebook-like-box” was here.
The first occurrence of ID “content-section” was here.
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