Graafschapcollege.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “https://theeventscalendar.com/” for attribute “rel” on element “link”: The string “https://theeventscalendar.com/” is not a registered keyword.
Bad value “navigation” for attribute “role” on element “ul”.
Duplicate attribute “class”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “banner” role is unnecessary for element “header”.
The “form” role is unnecessary for element “form”.
The “contentinfo” role is unnecessary for element “footer”.
Netherlands NL
