Mercuryholidays.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “href” not allowed on element “span” at this point.
Bad value “tablist” for attribute “role” on element “nav”.
Attribute “aria-orientation” not allowed on element “nav” at this point.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The first child “option” element of a “select” element with a “required” attribute, and without a “multiple” attribute, and without a “size” attribute whose value is greater than “1”, must have either an empty “value” attribute, or must have no text content. Consider either adding a placeholder option label, or adding a “size” attribute with a value equal to the number of “option” elements.
Attribute “placeholder” not allowed on element “select” at this point.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
The “form” role is unnecessary for element “form”.
Empty heading.
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