Postnl.be W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “40px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “39px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Duplicate ID “consumer-login-link”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “true” for attribute “defer” on element “script”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The first occurrence of ID “consumer-login-link” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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