Errors:
Bad value ““preload”” for attribute “rel” on element “link”: The string ““preload”” is not a registered keyword.
A “link” element with an “as” attribute must have a “rel” attribute that contains the value “preload”.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “style” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Duplicate attribute “class”.
Attribute “<section” not allowed on element “div” at this point.
A “source” element that has a following sibling “source” element or “img” element with a “srcset” attribute must have a “media” attribute and/or “type” attribute.
Bad value “http://www.w3.org/1999/html” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Stray end tag “section”.
Stray end tag “a”.
End tag “li” seen, but there were open elements.
Unclosed element “span”.
Attribute “target” not allowed on element “span” at this point.
Bad value “true” for attribute “async” on element “script”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “<section” is not serializable as XML 1.0.
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).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Attribute “xmlns” is not serializable as XML 1.0.
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