Compass-style.org 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”.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Attribute “deferred” not allowed on element “script” at this point.
Bad value “install” for attribute “rel” on element “a”: The string “install” is not a registered keyword.
Bad value “documentation” for attribute “rel” on element “a”: The string “documentation” is not a registered keyword.
Bad value “blog” for attribute “rel” on element “a”: The string “blog” is not a registered keyword.
Bad value “get-involved” for attribute “rel” on element “a”: The string “get-involved” is not a registered keyword.
Bad value “theme” for attribute “rel” on element “a”: The string “theme” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “contentinfo” role is unnecessary for element “footer”.
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