Betteridge.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Attribute “autocorrect” not allowed on element “input” at this point.
Attribute “autocapitalize” not allowed on element “input” at this point.
The element “header” must not appear as a descendant of the “footer” element.
The element “main” must not appear as a descendant of the “footer” element.
The “aria-describedby” attribute must point to an element in the same document.
The “aria-controls” attribute must point to an element in the same document.
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