Cmpl.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate attribute “class”.
The element “label” must not appear as a descendant of the “a” element.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Stray end tag “label”.
Stray end tag “span”.
Stray end tag “a”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
Bad value “_new” for attribute “target” on element “form”: Reserved keyword “new” used.
Bad value “A to Z Database List” for attribute “id” on element “select”: An ID must not contain whitespace.
End tag “center” seen, but there were open elements.
Unclosed element “form”.
Stray end tag “form”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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