Fourthsource.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.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
Attribute “gumby-fixed” not allowed on element “div” at this point.
Attribute “gumby-trigger” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
Attribute “taget” not allowed on element “a” at this point.
Warnings:
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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