Thorlabs.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “only screen and (min-device-width: 768px)” for attribute “media” on element “link”: Deprecated media feature “min-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.
Bad value “only screen and (max-device-width: 767px)” for attribute “media” on element “link”: Deprecated media feature “max-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.
Attribute “alt” not allowed on element “a” at this point.
Duplicate ID “currDrop_Link2”.
Duplicate ID “thorlabslogo”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Duplicate ID “FooterNEWLINK”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “currDrop_Link2” was here.
The first occurrence of ID “thorlabslogo” was here.
The first occurrence of ID “FooterNEWLINK” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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