Errors:
Stray doctype.
Stray start tag “html”.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Start tag “body” seen but an element of the same type was already open.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “nav”.
Stray end tag “img”.
The “center” element is obsolete. Use CSS instead.
Element “img” is missing required attribute “src”.
Attribute “alt” not allowed on element “a” at this point.
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “rel” not allowed on element “div” at this point.
End tag “br”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Stray end tag “body”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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