Unionradio.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
The element “label” must not appear as a descendant of the “a” element.
The element “input” must not appear as a descendant of the “a” element.
The element “button” must not appear as a descendant of the “a” element.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Attribute value missing.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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).
Attribute “href” without an explicit value seen. The attribute may be dropped by IE7.
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