Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “previewPane” was here.
The first occurrence of ID “previewBottomSection” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “just-listed-label” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Stray end tag “i”.
Duplicate attribute “name”.
Duplicate ID “previewPane”.
Duplicate ID “previewBottomSection”.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “just-listed-label”.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-labelledby” attribute must point to an element in the same document.
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