Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Attribute “alt” not allowed on element “input” at this point.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
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 “div”.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
End tag “li” seen, but there were open elements.
Unclosed element “a”.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “ul” seen, but there were open elements.
Start tag “a” seen but an element of the same type was already open.
Bad value “/About/Pages/Contact.aspx?Title=espg&Subject=Add me to your ESPG listing” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “//www5.smartadserver.com/ac?jump=1&nwid=1541&siteid=170731&pgname=NEMA - National Electrical Manufacturers Association&fmtid=35278&visit=m&tmstp=[timestamp]&out=nonrich” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “//www5.smartadserver.com/ac?out=nonrich&nwid=1541&siteid=170731&pgname=NEMA - National Electrical Manufacturers Association&fmtid=35278&visit=m&tmstp=[timestamp]” for attribute “src” on element “img”: Illegal character in query: space is not allowed.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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