Wir.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 “list” role is unnecessary for element “ul”.
The “listitem” role is unnecessary for element “li”.
The “navigation” role is unnecessary for element “nav”.
Empty heading.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Stray end tag “ul”.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
No “p” element in scope but a “p” end tag seen.
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