Elemental.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “about” not allowed on element “article” at this point.
Attribute “content” not allowed on element “span” at this point.
Attribute “about” 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.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “<” instead.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
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