99only.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bogus doctype.
Quirky doctype. Expected “<!DOCTYPE html>”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Bad value “menubar” for attribute “role” on element “nav”.
End tag “div” seen, but there were open elements.
Unclosed element “header”.
Duplicate attribute “name”.
Stray end tag “header”.
The element “button” must not appear as a descendant of the “a” element.
Bad value “footer-nav” for attribute “role” on element “nav”.
Bad value “social” for attribute “role” on element “nav”.
Bad value “sub-footer-nav” for attribute “role” on element “nav”.
Stray end tag “div”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “article” role is unnecessary for element “article”.
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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