Open3dmodel.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:x2” not allowed here.
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:og” 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 “cat-list”.
Attribute “show_border” not allowed on element “div” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute with the local name “xmlns:x2” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “textbox” role is unnecessary for an “input” element that has no “list” attribute and whose type is “text”.
The first occurrence of ID “cat-list” was here.
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