Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Bad value “application/xhtml+xml;charset=utf-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
Bad value “Cache-control” for attribute “http-equiv” on element “meta”.
Bad value “”prerender” for attribute “rel” on element “link”: The string “”prerender” is not a registered keyword.
Attribute “prefetch”” not allowed on element “link” at this point.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
End tag “nav” seen, but there were open elements.
Unclosed element “div”.
Stray end tag “div”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “popup standard 1024 600 noicon” for attribute “rel” on element “a”: The string “popup” is not a registered keyword.
Stray end tag “a”.
No “p” element in scope but a “p” end tag seen.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute “prefetch”” is not serializable as XML 1.0.
Consider avoiding viewport values that prevent users from resizing documents.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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