Amgeneral.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.
Attribute “title” not allowed on element “svg” at this point.
Attribute “alt” not allowed on element “svg” at this point.
Duplicate ID “svg-logo”.
Duplicate ID “SVGID_1_”.
Duplicate ID “SVGID_2_”.
End tag “br”.
The “aria-controls” attribute must point to an element in the same document.
Warnings:
The “banner” role is unnecessary for element “header”.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “svg-logo” was here.
The first occurrence of ID “SVGID_1_” was here.
The first occurrence of ID “SVGID_2_” was here.
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