Errors:
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “ImageToolbar” for attribute “http-equiv” on element “meta”.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
Duplicate attribute “class”.
Start tag “a” seen but an element of the same type was already open.
Element “ul” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “true” for attribute “async” on element “script”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The first occurrence of ID “” was here.
The “contentinfo” role is unnecessary for element “footer”.
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