Kindful.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 “ga-on” not allowed on element “a” at this point.
Attribute “ga-event-category” not allowed on element “a” at this point.
Attribute “ga-event-action” not allowed on element “a” at this point.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “0px"” not allowed on element “svg” 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.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Stray end tag “span”.
End tag “h2” seen, but there were open elements.
Unclosed element “span”.
No “p” element in scope but a “p” end tag seen.
Warnings:
Attribute “0px"” is not serializable as XML 1.0.
Empty heading.
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