Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “top-menu” was here.
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.
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”.
CSS: Unknown pseudo-element or pseudo-class “:media”
CSS: Parse Error.
Attribute “href” not allowed on element “p” at this point.
Duplicate ID “top-menu”.
End tag “div” seen, but there were open elements.
Unclosed element “header”.
Stray end tag “header”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “plays-inline” not allowed on element “video” at this point.
Bad value “” for attribute “src” on element “source”: Must be non-empty.
Bad value “contentinfo” for attribute “role” on element “section”.
Stray end tag “div”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
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