Kooora.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Legacy encoding “windows-1256” used. Documents must use UTF-8.
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Bad value “text/html; charset=windows-1256” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
Attribute “app-argument” not allowed on element “meta” at this point.
Attribute “itemprop” not allowed on element “meta” at this point.
The only allowed value for the “charset” attribute for the “script” element is “utf-8”. (But the attribute is not needed and should be omitted altogether.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The “charset” attribute on the “script” element is obsolete.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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