Tf.com.br 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.
Element “p” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
End tag “p” seen, but there were open elements.
Unclosed element “em”.
Element “p” not allowed as child of element “em” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
End tag “a” violates nesting rules.
Element “div” not allowed as child of element “em” in this context. (Suppressing further errors from this subtree.)
Start tag “a” seen but an element of the same type was already open.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “banner” role is unnecessary for element “header”.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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