Ersjournals.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Attribute “xmlns:mml” not allowed here.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “source” is missing required attribute “srcset”.
Bad value “all and (min-width: 980px) and (min-device-width: 980px), all and (max-device-width: 1024px) and (min-width: 1024px) and (orientation:landscape)” for attribute “media” on element “source”: Deprecated media feature “min-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.
Bad value “all and (min-width: 768px) and (min-device-width: 768px), (max-device-width: 800px) and (min-width: 768px) and (orientation:landscape)” for attribute “media” on element “source”: Deprecated media feature “min-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.
Warnings:
Attribute with the local name “xmlns:mml” is not serializable as XML 1.0.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
United States US