Comparic.pl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “td_uid_107_5a2ce5378b87c”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “br”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The first occurrence of ID “td_uid_107_5a2ce5378b87c” was here.
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