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 “https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600,700,900,400italic,600italic,700italic,900italic|Crimson+Text:700italic,400,700,400italic” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Stray end tag “img”.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “tr” element is obsolete. Use CSS instead.
The “valign” attribute on the “tr” element is obsolete. Use CSS instead.
Element “content” 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 “font-variant:small-caps;” not allowed on element “span” at this point.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “banner” role is unnecessary for element “header”.
Empty heading.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “contentinfo” role is unnecessary for element “footer”.
Attribute “font-variant:small-caps;” is not serializable as XML 1.0.
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