Naef.ch W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Attribute “href” without an explicit value seen. The attribute may be dropped by IE7.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Element “img” is missing required attribute “src”.
No “li” element in scope but a “li” end tag seen.
Stray end tag “ul”.
End tag “div” seen, but there were open elements.
Unclosed element “nav”.
Stray end tag “nav”.
End tag “br”.
No “p” element in scope but a “p” end tag seen.
Bad value “naef-media-gallery” for attribute “rel” on element “a”: The string “naef-media-gallery” is not a registered keyword.
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