Unist.ac.kr W3C HTML Markup Validation
HTML markup errors and warnings
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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”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “” for attribute “method” on element “form”.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Duplicate ID “searchform”.
Duplicate ID “s”.
Duplicate ID “Ssearch_top”.
Duplicate ID “primary-navigation”.
Bad value “mpv_media” for attribute “rel” on element “a”: The string “mpv_media” is not a registered keyword.
Element “img” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “searchform” was here.
The first occurrence of ID “s” was here.
The first occurrence of ID “Ssearch_top” was here.
The first occurrence of ID “primary-navigation” was here.
Empty heading.
The “contentinfo” role is unnecessary for element “footer”.
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