Sisekaitse.ee W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “navigation” role is unnecessary for element “nav”.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “banner” role is unnecessary for element “header”.
The “button” role is unnecessary for element “button”.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Bad value “” for attribute “name” on element “button”: Must not be empty.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “div” is missing one or more of the following attributes: “role”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “for” attribute of the “label” element must refer to a non-hidden form control.
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