Xtu.edu.cn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Text not allowed in element “ul” in this context.
Duplicate ID “search_news”.
Duplicate ID “keyboard2”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Duplicate ID “yqlink”.
Attribute “pid” not allowed on element “a” at this point.
The element “label” must not appear as a descendant of the “a” element.
The “vspace” attribute on the “img” element is obsolete. Use CSS instead.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
Warnings:
The first occurrence of ID “search_news” was here.
The first occurrence of ID “keyboard2” was here.
The first occurrence of ID “yqlink” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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