Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
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 “cache-control” for attribute “http-equiv” on element “meta”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Stray end tag “meta”.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
End tag “a” violates nesting rules.
Stray end tag “a”.
End tag “header” seen, but there were open elements.
Unclosed element “div”.
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The “navigation” role is unnecessary for element “nav”.
The “form” role is unnecessary for element “form”.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
United States US