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.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “title” not allowed on element “svg” at this point.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Bad value “navigation” for attribute “role” on element “ul”.
Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Element “a” is missing one or more of the following attributes: “aria-checked”, “role”.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “xMinyMin meet” for attribute “preserveAspectRatio” on element “symbol”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
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