Kerrdental.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 “en-uk” for attribute “hreflang” on element “link”: Bad region subtag.
Duplicate attribute “class”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “a”: An ID must not be the empty string.
Duplicate ID “”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “about” not allowed on element “div” at this point.
Element “option” without attribute “label” must not be empty.
Bad value “https://www.kerrdental.com/resource-center?f[0]=field_resource_document_type%3A657” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://www.kerrdental.com/resource-center?f[0]=field_resource_document_type%3A633” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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