Fletcher.nl W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Attribute “title” not allowed on element “use” at this point.
Attribute “title” not allowed on element “svg” at this point.
Element “img” is missing required attribute “src”.
Duplicate ID “email”.
Duplicate ID “target”.
Duplicate ID “quickRegister”.
Duplicate ID “password”.
Duplicate ID “newsletter”.
The element “label” must not appear as a descendant of the “label” element.
Attribute “href” not allowed on element “button” at this point.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “email” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The first occurrence of ID “target” was here.
The first occurrence of ID “quickRegister” was here.
The first occurrence of ID “password” was here.
The first occurrence of ID “newsletter” was here.
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