Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Attribute “__expr-val-dir” not allowed on element “html” at this point.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Attribute “xmlns:og” not allowed here.
Bogus comment.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Stray end tag “spa”.
End tag “a” violates nesting rules.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “allow” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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