Earnest.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “http://#” for attribute “href” on element “a”: Invalid host: empty host.
Duplicate ID “content”.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
End tag “a” violates nesting rules.
No “p” element in scope but a “p” end tag seen.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “content” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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