Raic.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “hr” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad character “<” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “iframe” not allowed on element “iframe” at this point.
Attribute “height” not allowed on element “a” at this point.
Warnings:
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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