Burton.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “blzsys” not allowed on element “script” at this point.
Bad value “none” for attribute “media” on element “link”: Media query ended prematurely.
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “main” in this context. (Suppressing further errors from this subtree.)
Bad value “presentation” for attribute “role” on element “a”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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