Namebounce.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “type” attribute is unnecessary for JavaScript resources.
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”.
Attribute “script-src” not allowed on element “script” at this point.
Element “script” must not have attribute “async” unless attribute “src” is also specified or unless attribute “type” is specified with value “module”.
Bad value “menu” for attribute “role” on element “nav”.
Bad value “"selected"” for attribute “selected” on element “option”.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Stray start tag “script”.
The “aria-describedby” attribute must point to an element in the same document.
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