Etapes.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Attribute “value” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Attribute “border” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “x-tmpl-mustache” for attribute “type” on element “script”: Subtype missing.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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