Humboldt.org.co W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
End tag “br”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Stray end tag “jdoc:include”.
End tag “header” seen, but there were open elements.
Unclosed element “div”.
End tag “p” implied, but there were open elements.
Unclosed element “span”.
Stray end tag “span”.
No “p” element in scope but a “p” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “height” not allowed on element “a” at this point.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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