Urbanlegends.hu W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Element “tbody” not allowed as child of element “table” in this context. (Suppressing further errors from this subtree.)
The “font” element is obsolete. Use CSS instead.
Attribute “href” not allowed on element “button” at this point.
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