Nag.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “dropdown-form” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “dropdown-form”.
Attribute “about” not allowed on element “div” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
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