Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “a” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “h5” in this context. (Suppressing further errors from this subtree.)
Attribute “placeholder” not allowed on element “select” at this point.
Attribute “type” not allowed on element “select” at this point.
The first child “option” element of a “select” element with a “required” attribute, and without a “multiple” attribute, and without a “size” attribute whose value is greater than “1”, must have either an empty “value” attribute, or must have no text content. Consider either adding a placeholder option label, or adding a “size” attribute with a value equal to the number of “option” elements.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
Duplicate attribute “value”.
Attribute “height” not allowed on element “a” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “hspace” not allowed on element “iframe” at this point.
Attribute “vspace” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “async defer” for attribute “async” on element “script”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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