Whtc.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”.
Attribute “title” not allowed on element “title” at this point.
Attribute “title” not allowed on element “desc” at this point.
Duplicate ID “facebook-icon-title”.
Duplicate ID “facebook-icon-desc”.
Duplicate ID “twitter-icon-title”.
Duplicate ID “twitter-icon-desc”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “facebook-icon-title” was here.
The first occurrence of ID “facebook-icon-desc” was here.
The first occurrence of ID “twitter-icon-title” was here.
The first occurrence of ID “twitter-icon-desc” was here.
The “main” role is unnecessary for element “main”.
The “type” attribute is unnecessary for JavaScript resources.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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