Gouwubang.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “rev” attribute on the “link” element is obsolete. Use the “rel” attribute instead, with a term having the opposite meaning.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Attribute “pid” not allowed on element “li” at this point.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Attribute “topmargin” not allowed on element “iframe” at this point.
Attribute “leftmargin” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
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