Ivivu.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”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “class”.
Bad value “linkStore ” for attribute “id” on element “input”: An ID must not contain whitespace.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “fb-root”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “href” not allowed on element “button” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
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 first occurrence of ID “fb-root” was here.
The “form” role is unnecessary for element “form”.
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