Errors:
Duplicate ID “nav-icon”.
Duplicate ID “subtext-dropdown_3”.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “subtext-dropdown”.
Duplicate ID “subtext-dropdown_2”.
Duplicate ID “icon_external_link”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Duplicate ID “inline”.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Stray end tag “div”.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Stray end tag “source”.
End tag “br”.
Warnings:
The first occurrence of ID “nav-icon” was here.
The first occurrence of ID “subtext-dropdown_3” was here.
The first occurrence of ID “subtext-dropdown” was here.
The first occurrence of ID “subtext-dropdown_2” was here.
The first occurrence of ID “icon_external_link” was here.
The first occurrence of ID “inline” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “contentinfo” role is unnecessary for element “footer”.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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