Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “pt-br-BR” for attribute “hreflang” on element “link”: The subtag “br” does not match the format for any permissible subtag type.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Attribute “value” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
A document must not include more than one “meta” element with a “charset” attribute.
Duplicate attribute “class”.
Element “input” is missing required attribute “aria-expanded”.
Bad value “tabpanel” for attribute “role” on element “ul”.
Element “span” is missing one or more of the following attributes: “role”.
Element “a” is missing one or more of the following attributes: “role”.
Attribute “about” not allowed on element “div” at this point.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “role”.
Attribute “aria-multiselectable” not allowed on element “nav” at this point.
An element with “role=tab” must be contained in, or owned by, an element with “role=tablist”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “contentinfo” role is unnecessary for element “footer”.
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