Schlijper.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Attribute “disabled” not allowed on element “div” at this point.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “fb:like” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “g:plusone” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Element name “fb:like” cannot be represented as XML 1.0.
Element name “g:plusone” cannot be represented as XML 1.0.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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