Dcli.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “form” role is unnecessary for element “form”.
Errors:
Bad value “” for attribute “action” on element “form”: Must be non-empty.
End tag “h1” seen, but there were open elements.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “aria-controls” attribute must point to an element in the same document.
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