Onu.edu W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “true” for attribute “async” on element “script”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Duplicate ID “main-content”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “a”.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The first occurrence of ID “main-content” was here.
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