Hisco.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.
The first occurrence of ID “sub-cat” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “loadingSpinner” was here.
Errors:
The “center” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “panel-wrap” for attribute “role” on element “div”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “top-panel” for attribute “role” on element “div”.
Bad value “masthead” for attribute “role” on element “header”.
Duplicate ID “sub-cat”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “loadingSpinner”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
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