Circulaseguro.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.
End tag “header” seen, but there were open elements.
Unclosed element “div”.
Stray end tag “div”.
Stray end tag “header”.
Bad value “feed” for attribute “rel” on element “a”: The string “feed” is not a registered keyword.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “document” role is unnecessary for element “body”.
The “navigation” role is unnecessary for element “nav”.
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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