Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
Attribute “,” is not serializable as XML 1.0.
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “main” role is unnecessary for element “main”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
The first occurrence of ID “ka100-logo” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Stray end tag “img”.
Element “option” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “,” not allowed on element “input” at this point.
Element “img” is missing required attribute “src”.
CSS: “border”: Parse Error.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “main” element must not appear as a descendant of the “section” element.
Bad value “_” for attribute “target” on element “a”: Reserved keyword “” used.
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “ka100-logo”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: “background-color”: Parse Error.
CSS: “margin”: Parse Error.
No “p” element in scope but a “p” end tag seen.
Element “option” without attribute “label” must not be empty.
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