Stockmount.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 “external nofollow tooltips” for attribute “rel” on element “a”: The string “tooltips” is not a registered keyword.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Attribute “rel” not allowed on element “li” at this point.
Attribute “href” not allowed on element “li” at this point.
Attribute “hreflang” not allowed on element “li” at this point.
The element “button” must not appear as a descendant of the “a” element.
The element “header” must not appear as a descendant of the “footer” element.
Stray start tag “script”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
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