Stayalfred.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Saw “'” when expecting an attribute name. Probable cause: “=” missing immediately before.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “'none',” not allowed on element “iframe” at this point.
Attribute “visibility:” not allowed on element “iframe” at this point.
Attribute “'hidden'}}” not allowed on element “iframe” at this point.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Text not allowed in element “iframe” in this context.
Too many messages.
Warnings:
Attribute “'none',” is not serializable as XML 1.0.
Attribute “visibility:” is not serializable as XML 1.0.
Attribute “'hidden'}}” is not serializable as XML 1.0.
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