Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “div” is missing one or more of the following attributes: “role”.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Attribute “xmlns:dc” not allowed here.
Attribute “xmlns:cc” not allowed here.
Attribute “xmlns:rdf” not allowed here.
Attribute “xmlns:svg” not allowed here.
Element “rdf:rdf” not allowed as child of element “metadata” in this context. (Suppressing further errors from this subtree.)
Element “style” 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.
The element “button” must not appear as a descendant of the “a” element.
Bad value “” for attribute “id” on element “ul”: An ID must not be the empty string.
The “center” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:cc” is not serializable as XML 1.0.
Attribute with the local name “xmlns:rdf” is not serializable as XML 1.0.
Attribute with the local name “xmlns:svg” is not serializable as XML 1.0.
Element name “rdf:rdf” cannot be represented as XML 1.0.
Attribute “rdf:about” is not serializable as XML 1.0.
Element name “cc:work” cannot be represented as XML 1.0.
Element name “dc:format” cannot be represented as XML 1.0.
Attribute “rdf:resource” is not serializable as XML 1.0.
Element name “dc:type” cannot be represented as XML 1.0.
Element name “dc:title” cannot be represented as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
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.
Jordan JO