Thegeniusofplay.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “banner” role is unnecessary for element “header”.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Errors:
A document must not include more than one “meta” element with a “charset” attribute.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Stray end tag “script”.
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
The element “a” must not appear as a descendant of the “button” element.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “aria-labelledby” attribute must point to an element in the same document.
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