Grunex.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
The “language” attribute on the “script” element is obsolete.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The “border” attribute is obsolete.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:
Bad value “(-webkit-min-device-pixel-ratio: 3.5), (min-resolution: 336dpi)” for attribute “media” on element “source”: Expected a digit, whitespace or “)” but saw “.” instead.
When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.
Bad value “(-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 144dpi)” for attribute “media” on element “source”: Expected a digit, whitespace or “)” but saw “.” instead.
Bad value “” for attribute “id” on element “button”: An ID must not be the empty string.
Duplicate ID “”.
Element “div” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
Bad value “https://track.adform.net/adfserve/?bn=17493706;srctype=4;ord=[timestamp]” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
Element “style” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
The “aria-labelledby” attribute must point to an element in the same document.
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