Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “noindex” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Duplicate ID “third-thumbnail”.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “rel”.
Duplicate ID “featured-thumbnail”.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “xmlns:x” not allowed here.
Attribute “xmlns:i” not allowed here.
Attribute “xmlns:graph” not allowed here.
Duplicate ID “footer-thumbnail”.
Attribute “width” not allowed on element “div” at this point.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Stray end tag “noscript”.
End tag “td” seen, but there were open elements.
Unclosed element “div”.
Unclosed element “noscript”.
Warnings:
The first occurrence of ID “third-thumbnail” was here.
The first occurrence of ID “featured-thumbnail” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Attribute with the local name “xmlns:x” is not serializable as XML 1.0.
Attribute with the local name “xmlns:i” is not serializable as XML 1.0.
Attribute with the local name “xmlns:graph” is not serializable as XML 1.0.
Attribute “xlink:href” is not serializable as XML 1.0.
Element name “i:pgfref” cannot be represented as XML 1.0.
Attribute “i:extraneous” is not serializable as XML 1.0.
The first occurrence of ID “footer-thumbnail” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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