Vjudge.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:wb” not allowed here.
Forbidden code point U+009e.
Forbidden code point U+009b.
Forbidden code point U+0097.
Forbidden code point U+0095.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “wb:like” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:wb” is not serializable as XML 1.0.
Element name “wb:like” cannot be represented as XML 1.0.
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