Raiplay.it W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Attribute “xmlns” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Bad value “//www.w3.org/2000/svg” for the attribute “xmlns” (only “http://www.w3.org/2000/svg” permitted here).
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value for attribute “src” on element “img”: Illegal character in scheme data: space is not allowed.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Attribute “loading” not allowed on element “img” at this point.
The element “button” must not appear as a descendant of the “a” element.
End tag “div” seen, but there were open elements.
Unclosed element “span”.
Bad value “as-oil” for attribute “type” on element “script”: Subtype missing.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
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