Openphysed.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
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.
Errors:
CSS: Parse Error.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: “margin-top”: Parse Error.
CSS: “border-color”: Parse Error.
Bad value “(min-width: 2200px) 100vw, (min-width: 784px) 340px, (min-width: 712px) 510px, (min-width: 640px) 712px, ” for attribute “sizes” on element “img”: Empty source size at “…min-width: 640px) 712px, ”.
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