Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “form” role is unnecessary for element “form”.
The “textbox” role is unnecessary for an “input” element that has no “list” attribute and whose type is “search”.
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “video” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “footer” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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).
Errors:
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Attribute “alt” not allowed on element “a” at this point.
Attribute “href” not allowed on element “button” at this point.
Bad value “textbox” for attribute “role” on element “input”.
Bad value “sub-navigation” for attribute “role” on element “nav”.
Element “img” is missing required attribute “src”.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
End tag “div” seen, but there were open elements.
Unclosed element “form”.
Stray end tag “form”.
Duplicate ID “video”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “sl-processed” not allowed on element “a” at this point.
Duplicate ID “footer”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-controls” attribute must point to an element in the same document.
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