Groundcontrolstore.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Attribute “href” not allowed on element “li” at this point.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “banner” role is unnecessary for element “header”.
Attribute “href” without an explicit value seen. The attribute may be dropped by IE7.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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