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 first occurrence of ID “” was here.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Attribute “pagespeed_no_defer” not allowed on element “script” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Stray end tag “style”.
Bad value “” for attribute “id” on element “button”: An ID must not be the empty string.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Duplicate ID “”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Bad value “” for attribute “width” on element “img”: The empty string is not a valid non-negative integer.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
No space between attributes.
Bad value “” for attribute “aria-labelledby” on element “div”: An IDREFS value must contain at least one non-whitespace character.
The “for” attribute of the “label” element must refer to a non-hidden form control.
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