Radaronline.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
Bad value “true” for attribute “async” on element “script”.
Duplicate attribute “width”.
Duplicate attribute “height”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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