Commonsensemedia.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Bad value “https://fonts.googleapis.com/css?family=Lato:300,400,700,400italic,300italic|Oswald” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “” for attribute “name” on element “input”: Must not be empty.
The element “label” must not appear as a descendant of the “a” element.
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 “a” at this point.
Attribute “datatype” not allowed on element “a” at this point.
The element “footer” must not appear as a descendant of the “footer” element.
Warnings:
The “banner” role is unnecessary for element “header”.
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