Programme-tv.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Attribute “href” not allowed on element “meta” at this point.
Attribute “type” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
A “script” element with a “defer” attribute must not have a “type” attribute with the value “module”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Element “source” is missing required attribute “srcset”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Module scripts are not supported in most browsers yet.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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