Therightwording.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”.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “id-"header"” not allowed on element “header” at this point.
Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “nav”.
The “main” element must not appear as a descendant of the “section” element.
Bad value “contentinfo” for attribute “role” on element “section”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Attribute “id-"header"” is not serializable as XML 1.0.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The first occurrence of ID “nav” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “complementary” role is unnecessary for element “aside”.
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