Lexisweb.co.uk 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”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Element “input” is missing required attribute “alt”.
Element “option” without attribute “label” must not be empty.
Warnings:
The “banner” role is unnecessary for element “header”.
Empty heading.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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