Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Stray doctype.
Stray start tag “html”.
Stray start tag “head”.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Element “title” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Attribute “name” not allowed on element “meta” at this point.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Attribute “\” not allowed on element “section” at this point.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “section”.
Unclosed element “div”.
Stray start tag “div”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
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.
Attribute “\” is not serializable as XML 1.0.
Nigeria NG