Greatfire.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value for attribute “src” on element “img”: Illegal character in scheme data: space is not allowed.
Attribute “x-id” not allowed on element “tr” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “strong” violates nesting rules.
No “a” element in scope but a “a” end tag seen.
End tag “h3” seen, but there were open elements.
Bad value “mailto: charlie.smith@greatfire.org” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “mailto: martin@greatfire.org” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Attribute “sync” not allowed on element “script” at this point.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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