Ona.org.br W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “class_normal” not allowed on element “input” at this point.
Attribute “class_onerror” not allowed on element “input” at this point.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Attribute “align” not allowed on element “a” at this point.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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