Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
The element “input” must not appear as a descendant of the “a” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “li” element in scope but a “li” end tag seen.
Duplicate attribute “type”.
Attribute “placeholder” not allowed on element “input” at this point.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “button”.
Unclosed element “div”.
The “aria-labelledby” attribute must point to an element in the same document.
The “aria-controls” attribute must point to an element in the same document.
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