Educationinireland.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
The “align” attribute on the “input” element is obsolete. Use CSS instead.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “xmlns:dc” not allowed here.
Duplicate ID “bloglist”.
Attribute “height” not allowed on element “a” at this point.
Warnings:
The “navigation” role is unnecessary for element “nav”.
Empty heading.
Attribute with the local name “xmlns:dc” is not serializable as XML 1.0.
The first occurrence of ID “bloglist” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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