Number1music.org 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.
The “center” element is obsolete. Use CSS instead.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
End tag “br”.
Duplicate ID “wows1_0”.
Stray end tag “div”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “a”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Attribute “alt” not allowed on element “a” at this point.
Bad value “prettyPhoto[pp_gal_291-56754c2149893105891071]” for attribute “rel” on element “a”: The string “prettyPhoto[pp_gal_291-56754c2149893105891071]” is not a registered keyword.
Bad value “prettyPhoto” for attribute “rel” on element “a”: The string “prettyPhoto” is not a registered keyword.
Warnings:
The first occurrence of ID “wows1_0” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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