Papersource.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “navigation” role is unnecessary for element “nav”.
Errors:
Element “script” must not have attribute “async” unless attribute “src” is also specified or unless attribute “type” is specified with value “module”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: Parse Error.
CSS: “min-heigh”: Property “min-heigh” doesn't exist.
Element “input” is missing required attribute “aria-expanded”.
Stray end tag “span”.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Garbage after “</”.
Start tag “a” seen but an element of the same type was already open.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
CSS: “font-size”: Too many values or values are not recognized.
No “p” element in scope but a “p” end tag seen.
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