Errors:
Element “head” is missing a required instance of child element “title”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “title” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Attribute “http-equiv” not allowed on element “meta” at this point.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.
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 “head”.
Start tag “body” seen but an element of the same type was already open.
Duplicate ID “display_menu_1”.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “font” in this context. (Suppressing further errors from this subtree.)
Bad value “true” for attribute “readonly” on element “textarea”.
Element “style” not allowed as child of element “td” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “a” at this point.
End tag “td” seen, but there were open elements.
Unclosed element “div”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “headingThree”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “display_menu_1” was here.
The “main” role is unnecessary for element “main”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “headingThree” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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