Remo.co 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.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “button” role is unnecessary for element “button”.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
The “charset” attribute on the “script” element is obsolete.
Errors:
The element “button” must not appear as a descendant of the “a” element.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
CSS: “margin-right”: “px” is not a “margin-right” value.
CSS: “padding-bottom”: “px” is not a “padding-bottom” value.
CSS: “padding-right”: “px” is not a “padding-right” value.
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