Blackhistorystudies.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Duplicate attribute “itemscope”.
Duplicate attribute “itemtype”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “product_id_944”.
Duplicate ID “product_id_946”.
Duplicate ID “product_id_948”.
Duplicate ID “product_id_950”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The first occurrence of ID “product_id_944” was here.
The first occurrence of ID “product_id_946” was here.
The first occurrence of ID “product_id_948” was here.
The first occurrence of ID “product_id_950” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
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