Nbd-online.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Attribute “alt” not allowed on element “a” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
Warnings:
The “main” role is unnecessary for element “main”.
Potentially bad value “1529291100” for attribute “datetime” on element “time”: Year may be mistyped.
Potentially bad value “1529221500” for attribute “datetime” on element “time”: Year may be mistyped.
Potentially bad value “1529118300” for attribute “datetime” on element “time”: Year may be mistyped.
Potentially bad value “1529384400” for attribute “datetime” on element “time”: Year may be mistyped.
Potentially bad value “1528965926” for attribute “datetime” on element “time”: Year may be mistyped.
Potentially bad value “1528372778” for attribute “datetime” on element “time”: Year may be mistyped.
Potentially bad value “1527577094” for attribute “datetime” on element “time”: Year may be mistyped.
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