Twisttango.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “navigation” role is unnecessary for element “nav”.
Errors:
Attribute “displaytype” not allowed on element “div” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “border” not allowed on element “iframe” at this point.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “auto” for attribute “height” on element “iframe”: Expected a digit but saw “a” instead.
Stray start tag “span”.
Stray end tag “span”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
CSS: Parse Error.
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