Forbes.com.mx W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “network” not allowed on element “html” at this point.
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
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.
Attribute “alt” not allowed on element “a” at this point.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
The element “button” must not appear as a descendant of the “a” element.
Duplicate ID “module-4”.
Element “figcaption” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The value of attribute “src” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The first occurrence of ID “module-4” was here.
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