Ibmcloud.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Attribute “uuid” not allowed on element “body” at this point.
Element “div” is missing one or more of the following attributes: “role”.
Element “img” is missing required attribute “src”.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “img” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “main”.
Stray end tag “main”.
Stray end tag “div”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “button” role is unnecessary for element “button”.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
The “region” role is unnecessary for element “section”.
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