Bibliotek.dk W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Bad value “http://www.w3.org/1999/html” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
End tag “svg” did not match the name of the current open element (“use”).
Duplicate ID “input-udgivelsesr”.
Attribute “alt” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The first occurrence of ID “input-udgivelsesr” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Denmark DK