Csdm.ca W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:fb” not allowed here.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Attribute “xmlns:v” not allowed here.
Attribute “addthis:url” not allowed on element “a” at this point.
Attribute “addthis:u” not allowed on element “a” at this point.
No “p” element in scope but a “p” end tag seen.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:v” is not serializable as XML 1.0.
Attribute “addthis:url” is not serializable as XML 1.0.
Attribute “addthis:u” is not serializable as XML 1.0.
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