Cowen.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.
Bad value “//fonts.googleapis.com/css?family=Open+Sans:300|Open+Sans:400|Open+Sans:700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “Ahead of the Curve ™” for attribute “id” on element “h2”: An ID must not contain whitespace.
Duplicate ID “ctf”.
Duplicate ID “948214677691076608”.
The element “button” must not appear as a descendant of the “a” element.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “ctf” was here.
The first occurrence of ID “948214677691076608” was here.
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