Bridge.edu W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Attribute “type” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “)?” 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.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Bad value “” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Attribute “href” not allowed on element “div” at this point.
Element “spam” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “div”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Attribute “)?” is not serializable as XML 1.0.
Empty heading.
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