Nysaves.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “expires” for attribute “http-equiv” on element “meta”.
Bad value “navigation” for attribute “role” on element “ul”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “” for attribute “role” on element “div”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
Forbidden code point U+0003.
Bad value “nav” for attribute “role” on element “div”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “” was here.
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