Berkshires.org W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “addthis:url” is not serializable as XML 1.0.
Attribute “addthis:title” is not serializable as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “sg-popup-content-wrapper-1” was here.
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The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Attribute “addthis:url” not allowed on element “div” at this point.
Attribute “addthis:title” not allowed on element “div” at this point.
Duplicate ID “sg-popup-content-wrapper-1”.
United States US
