Errors:
Bad value “ko_KR” for attribute “lang” on element “html”: The language subtag “ko_kr” is not a valid language subtag.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Attribute “name” not allowed on element “script” at this point.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
No “p” element in scope but a “p” end tag seen.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Element “div” is missing one or more of the following attributes: “role”.
The element “input” must not appear as a descendant of the “a” element.
Element “legend” not allowed as child of element “fieldset” in this context. (Suppressing further errors from this subtree.)
The element “label” must not appear as a descendant of the “a” element.
Bad value “button” for attribute “role” on element “h2”.
Bad value “#DEFAULT” for attribute “itemscope” on element “span”.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
Duplicate ID “”.
The “aria-controls” attribute must point to an element in the same document.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
Korea KR