Careerbright.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “retina_logo_url” not allowed on element “img” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “(min-width: 1200px) 25vw, (min-width: 2200px) 100vw, (min-width: 856px) 435px, (min-width: 784px) 580px, (min-width: 712px) 784px, (min-width: 640px) 712px, ” for attribute “sizes” on element “img”: Empty source size at “…min-width: 640px) 712px, ”.
Warnings:
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “main” role is unnecessary for element “main”.
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).
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