Netelixir.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.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “add”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Duplicate attribute “class”.
Attribute “custom_html-2"” not allowed on element “div” at this point.
Duplicate ID “bing”.
Stray end tag “section”.
No “p” element in scope but a “p” end tag seen.
Bad value “1” for attribute “media” on element “link”: Expected “(” or letter at start of a media query part but saw “1” instead.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “add” was here.
Attribute “custom_html-2"” is not serializable as XML 1.0.
The first occurrence of ID “bing” was here.
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