Elpais.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “” was here.
The first occurrence of ID “iframe-friso-coronavirus” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Element “link” is missing one or more of the following attributes: “href”, “resource”.
Bad value “url” for attribute “type” on element “a”: Subtype missing.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
Duplicate ID “iframe-friso-coronavirus”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “classname” not allowed on element “span” at this point.
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