Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “X-XRDS-Location” for attribute “http-equiv” on element “meta”.
Bad value “X-Yadis-Location” for attribute “http-equiv” on element “meta”.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Element “gcse:search” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “?” not allowed on element “img” at this point.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
No “p” element in scope but a “p” end tag seen.
Element “p” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
Element “dl” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “dd” seen, but there were open elements.
Unclosed element “span”.
Warnings:
The “banner” role is unnecessary for element “header”.
Element name “gcse:search” cannot be represented as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Attribute “?” is not serializable as XML 1.0.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “contentinfo” role is unnecessary for element “footer”.
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