Informationisbeautiful.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “mc-embedded-subscribe-form”.
Duplicate ID “mce-EMAIL”.
Element “style” not allowed as child of element “section” in this context. (Suppressing further errors from this subtree.)
Bad value “form” for attribute “role” on element “section”.
Bad value “presentation” for attribute “role” on element “section”.
Duplicate ID “s”.
Bad value “contentinfo” for attribute “role” on element “section”.
Warnings:
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “form” role is unnecessary for element “form”.
The first occurrence of ID “mc-embedded-subscribe-form” was here.
The first occurrence of ID “mce-EMAIL” was here.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “s” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “charset” attribute on the “script” element is obsolete.
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