Errors:
A document must not include more than one “meta” element with a “charset” attribute.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Bad value “search” for attribute “type” on element “a”: Subtype missing.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “input” at this point.
Duplicate attribute “name”.
Duplicate attribute “value”.
Bad value “submit” for attribute “type” on element “a”: Subtype missing.
Attribute “value” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “main” seen, but there were open elements.
Unclosed element “div”.
Attribute “href” not allowed on element “h4” at this point.
Element “div” is missing one or more of the following attributes: “role”.
Attribute “href” not allowed on element “span” at this point.
Element “span” is missing one or more of the following attributes: “role”.
Duplicate attribute “class”.
End tag “form” seen, but there were open elements.
Unclosed element “footer”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “main” role is unnecessary for element “main”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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