Uxfree.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “(max-width: 680px) calc(50vw - 20px), (max-width: 1366) 250px, 300px” for attribute “sizes” on element “img”: Bad media condition: Non-zero lengths require a unit at “… (max-width: 1366) 250px,”.
Bad value “” for attribute “srcset” on element “img”: Must contain one or more image candidate strings.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “alt” not allowed on element “i” at this point.
Element “ss” not allowed as child of element “i” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “theChampGoogleButton”.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Warnings:
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “theChampGoogleButton” was here.
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