Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “menu-1-menuitem-1-submenu-1” was here.
The first occurrence of ID “menu-1-menuitem-2-submenu-1” was here.
The first occurrence of ID “menu-1-menuitem-2-submenu-5-subsubmenu-1” was here.
The first occurrence of ID “menu-1-menuitem-3-submenu-1” was here.
Attribute “aria-activedescendant” value should either refer to a descendant element, or should be accompanied by attribute “aria-owns”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “list” role is unnecessary for element “ol”.
The “listitem” role is unnecessary for element “li”.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “aria-haspopup”.
Duplicate attribute “aria-label”.
Attribute “aria-activedescendant” not allowed on element “nav” at this point.
The element “header” must not appear as a descendant of the “header” element.
Attribute “aria-selected” not allowed on element “a” at this point.
Attribute “aria-selected” not allowed on element “button” at this point.
Duplicate ID “menu-1-menuitem-1-submenu-1”.
Duplicate ID “menu-1-menuitem-2-submenu-1”.
Attribute “aria-selected” not allowed on element “div” at this point.
Duplicate ID “menu-1-menuitem-2-submenu-5-subsubmenu-1”.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Duplicate ID “menu-1-menuitem-3-submenu-1”.
Attribute “aria-selected” not allowed on element “li” at this point.
The element “button” must not appear as a descendant of the “a” element.
Attribute “arial-label” not allowed on element “svg” at this point.
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