Utekno.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.
Bad value “//fonts.googleapis.com/css?family=Bree+Serif:normal|Open+Sans:normal|Open+Sans:300&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Attribute “_lpchecked” not allowed on element “form” at this point.
Duplicate ID “navigation”.
End tag “footer” seen, but there were open elements.
Unclosed element “div”.
Warnings:
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “navigation” was here.
The “navigation” role is unnecessary for element “nav”.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
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