Orangemonkie.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Attribute “itemprop” not allowed on element “meta” at this point.
Element “meta” is missing required attribute “http-equiv”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Heading cannot be a child of another heading.
End tag “div” seen, but there were open elements.
Unclosed element “h2”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “h2” seen, but there were open elements.
End tag “h3” seen, but there were open elements.
Stray end tag “input”.
The “itemprop” attribute was specified, but the element is not a property of any item.
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