Yonhapnews.co.kr W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
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”.
Attribute “name” not allowed on element “li” at this point.
Bad value “” for attribute “src” on element “source”: Must be non-empty.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “img”: Must be non-empty.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “1” for attribute “allowfullscreen” on element “iframe”.
Attribute “muted” not allowed on element “iframe” at this point.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Empty heading.
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