Dnnsoftware.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
The “frameborder” attribute on the “iframe” element is obsolete.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.
Bad value “http://www.dnnsoftware.com/Portals/0/Banner Video Cards/demo.png?ver=2017-09-12-170415-930” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “http://www.dnnsoftware.com/Portals/0/Banner Video Cards/webinar.png?ver=2017-09-12-170415-803” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Duplicate ID “benefit-one-testimonial”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “benefit-one-testimonial” was here.
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