Horta.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “” for attribute “name” on element “input”: Must not be empty.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “index” not allowed on element “a” at this point.
No “p” element in scope but a “p” end tag seen.
The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
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The “name” attribute is obsolete.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.
The “type” attribute is unnecessary for JavaScript resources.
This document appears to be written in Dutch. Consider adding “lang="nl"” (or variant) to the “html” start tag.
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