Uap.company W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “presentation” for attribute “role” on element “input”.
Element “h1” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “placeholder” not allowed on element “button” at this point.
Attribute “placeholder” not allowed on element “input” at this point.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Warnings:
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).
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