Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Duplicate attribute “class”.
Attribute “about” not allowed on element “div” at this point.
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
Attribute “datatype” not allowed on element “span” at this point.
Attribute “rel” not allowed on element “span” at this point.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Attribute “about” not allowed on element “span” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “article” role is unnecessary for element “article”.
Empty heading.
The “contentinfo” role is unnecessary for element “footer”.
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