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” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
No “p” element in scope but a “p” end tag seen.
Duplicate ID “button-click-overlay”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “8f6be138-1c04-6”.
Duplicate ID “1502826573063-2-6”.
Duplicate ID “1502826703103-3-6”.
Duplicate ID “1502826724664-4-6”.
Duplicate ID “1502826786273-6-3”.
Duplicate ID “1502826747436-5-3”.
Duplicate ID “1503428987866-8-5”.
Duplicate ID “1502826831692-7-10”.
Duplicate ID “012aeff2-5557-2”.
No space between attributes.
The element “button” must not appear as a descendant of the “a” element.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “use” at this point.
Duplicate ID “ubtn-01n”.
Attribute “"” not allowed on element “div” at this point.
Element “style” not allowed as child of element “footer” 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.
Warnings:
The first occurrence of ID “button-click-overlay” was here.
The first occurrence of ID “8f6be138-1c04-6” was here.
The first occurrence of ID “1502826573063-2-6” was here.
The first occurrence of ID “1502826703103-3-6” was here.
The first occurrence of ID “1502826724664-4-6” was here.
The first occurrence of ID “1502826786273-6-3” was here.
The first occurrence of ID “1502826747436-5-3” was here.
The first occurrence of ID “1503428987866-8-5” was here.
The first occurrence of ID “1502826831692-7-10” was here.
The first occurrence of ID “012aeff2-5557-2” was here.
Attribute “"” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “ubtn-01n” was here.
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