Radiondadurto.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “rivoluzione_confederale:_audio_del_dibattito_alla_festa_di_radio_onda_d'urto_"” not allowed on element “img” at this point.
Attribute “manfredi:_l'incontro_alla_libreria_del_gatto_nero_"” not allowed on element “img” at this point.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “font” element is obsolete. Use CSS instead.
Warnings:
Attribute “rivoluzione_confederale:_audio_del_dibattito_alla_festa_di_radio_onda_d'urto_"” is not serializable as XML 1.0.
Attribute “manfredi:_l'incontro_alla_libreria_del_gatto_nero_"” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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