Kocaeli.edu.tr W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Attribute “default” not allowed on element “li” at this point.
Heading cannot be a child of another heading.
End tag “div” seen, but there were open elements.
Unclosed element “h5”.
Bad value “../dosyalar/9932/etkinlikler/Missmutlu Kadınlar Davetiye Mail-03.png” for attribute “href” on element “a”: Illegal character in path segment: space 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.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “type” attribute is unnecessary for JavaScript resources.
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