Thedrum.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “en-JA” for attribute “hreflang” on element “link”: Bad region subtag.
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
Bad value “navigation” for attribute “role” on element “ul”.
Attribute “display_captions” not allowed on element “img” at this point.
Element “img” is missing required attribute “src”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “type” attribute is unnecessary for JavaScript resources.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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