Cgi.br W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad character “.” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
No “p” element in scope but a “p” end tag seen.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
End tag had attributes.
Attribute “xmlns:dct” not allowed here.
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 “article” role is unnecessary for element “article”.
The “complementary” role is unnecessary for element “aside”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “list” role is unnecessary for element “ul”.
The “listitem” role is unnecessary for element “li”.
Attribute with the local name “xmlns:dct” is not serializable as XML 1.0.
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