Metro.de W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
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 “id” on element “div”: An ID must not be the empty string.
Stray end tag “source”.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “tel:0211 - 17607090” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
The element “input” must not appear as a descendant of the “a” element.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
The “for” attribute of the “label” element must refer to a non-hidden form control.
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