Chequeado.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “article” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “twitter”.
Duplicate ID “facebook”.
End tag “p” seen, but there were open elements.
Unclosed element “a”.
Start tag “a” seen but an element of the same type was already open.
No “p” element in scope but a “p” end tag seen.
End tag “br”.
End tag “a” violates nesting rules.
Duplicate ID “text-9”.
Warnings:
The first occurrence of ID “twitter” was here.
The first occurrence of ID “facebook” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “text-9” was here.
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