Ipapi.co W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Empty heading.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “form” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “code” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “aria-labelledby” attribute must point to an element in the same document.
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