Wluw.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Bad value “300px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “300px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “150px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “150px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Stray end tag “div”.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Text not allowed in element “ul” in this context.
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