Monstrum.dk 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”.
Attribute “xmlns:a” not allowed here.
Element “style” not allowed as child of element “article” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
Attribute with the local name “xmlns:a” is not serializable as XML 1.0.
The value of attribute “style” on element “li” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The value of attribute “src” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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