Errors:
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Duplicate attribute “href”.
Duplicate attribute “type”.
Bad value “image/png /><link rel=” for attribute “type” on element “link”: Expected whitespace or a semicolon but saw “/” instead.
Attribute “icon"” not allowed on element “link” at this point.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Stray end tag “meta”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Stray end tag “hgroup”.
Element “div” not allowed as child of element “hgroup” in this context. (Suppressing further errors from this subtree.)
Element “nav” not allowed as child of element “hgroup” in this context. (Suppressing further errors from this subtree.)
End tag “header” seen, but there were open elements.
Unclosed element “hgroup”.
Stray end tag “footer”.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Stray end tag “iframe”.
End tag “br”.
Stray end tag “div”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<a” not allowed on element “div” at this point.
Attribute “href” not allowed on element “div” at this point.
Attribute “target” not allowed on element “div” at this point.
Stray end tag “a”.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Attribute “:” not allowed on element “br” at this point.
Attribute “target” not allowed on element “img” at this point.
Warnings:
Attribute “icon"” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Attribute “<a” is not serializable as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
Attribute “:” 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).
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