Rockislandauction.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “0” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “0” not allowed on element “a” at this point.
Attribute “checked” not allowed on element “label” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
The element “button” must not appear as a descendant of the “a” element.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray start tag “div”.
Cannot recover after last error. Any further errors will be ignored.
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