Kernowcraft.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”.
Bad value “navigation” for attribute “role” on element “ul”.
Duplicate ID “nav-mobile”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “type” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “NewsletterEmail”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “nav-mobile” was here.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “NewsletterEmail” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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