Proficredit.pl 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.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A document must not include more than one “meta” element with a “charset” attribute.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Duplicate ID “send-form”.
The element “input” must not appear as a descendant of the “a” element.
The element “label” must not appear as a descendant of the “a” element.
Bad value “true” for attribute “async” on element “script”.
Stray end tag “div”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “send-form” was here.
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