Careerrocketeer.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.
Duplicate ID “third-thumbnail”.
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Duplicate attribute “rel”.
Duplicate ID “featured-thumbnail”.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “footer-thumbnail”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “third-thumbnail” was here.
The first occurrence of ID “featured-thumbnail” was here.
The first occurrence of ID “footer-thumbnail” was here.
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