Railsgirls.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Stray doctype.
Stray start tag “html”.
Start tag “head” seen but an element of the same type was already open.
A document must not include more than one “meta” element with a “charset” attribute.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “div”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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