Artmarketmonitor.com 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.
Duplicate attribute “class”.
Attribute “align” not allowed on element “figure” at this point.
Attribute “width” not allowed on element “figure” at this point.
Element “img” is missing required attribute “src”.
No “p” element in scope but a “p” end tag seen.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Text run is not in Unicode Normalization Form C.
The “complementary” role is unnecessary for element “aside”.
Empty heading.
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