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 “//fonts.googleapis.com/css?family=Open+Sans|Roboto” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
No “p” element in scope but a “p” end tag seen.
The element “button” must not appear as a descendant of the “a” element.
Bad value “ISO-8859-1” for attribute “charset” on element “script”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
No space between attributes.
The element “main” must not appear as a descendant of the “article” element.
Attribute “;” not allowed on element “div” at this point.
Attribute “;” not allowed on element “span” at this point.
Bad value “v:url” for attribute “rel” on element “a”: The string “v:url” is not a registered keyword.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Text not allowed in element “iframe” in this context.
End tag for “body” seen, but there were unclosed elements.
Warnings:
The “banner” role is unnecessary for element “header”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “;” is not serializable as XML 1.0.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
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