Jigsawexplorer.com 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The “profile” attribute on the “head” element is obsolete.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.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “center” element is obsolete. Use CSS instead.
Element “fb:like” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “img” element is obsolete. Use CSS instead.
End tag “br”.
Stray end tag “table”.
Stray end tag “center”.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “name” attribute is obsolete.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.
A table row was 1 columns wide, which is less than the column count established by the first row (3).
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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