Kokkari.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Attribute “;” not allowed on element “p” at this point.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Bad value “http://maps.apple.com/?daddr=200+Jackson+Street,+ San+Francisco,+CA” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Warnings:
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
Attribute “;” is not serializable as XML 1.0.
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