Stadthalle.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “locale” not allowed on element “html” at this point.
Bad value “pragma” for attribute “http-equiv” on element “meta”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
End tag “a” violates nesting rules.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
End tag “address” seen, but there were open elements.
Unclosed element “span”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
The “navigation” role is unnecessary for element “nav”.
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