Casel.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “p” element in scope but a “p” end tag seen.
Attribute “target” not allowed on element “div” at this point.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
End tag “div” seen, but there were open elements.
Unclosed element “article”.
Stray end tag “article”.
Stray end tag “div”.
Attribute “size” not allowed on element “input” at this point.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
End tag for “body” seen, but there were unclosed elements.
Warnings:
The “contentinfo” role is unnecessary for element “footer”.
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