Errors:
Duplicate attribute “xmlns:fb”.
Attribute “xmlns:fb” not allowed here.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Stray end tag “iframe”.
Bad element name “fb:like-box”: Code point “U+003A” is not allowed
End tag “aside” seen, but there were open elements.
Unclosed element “div”.
End tag “footer” seen, but there were open elements.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
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The “border” attribute is obsolete.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.
Element name “fb:like-box” cannot be represented as XML 1.0.
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