Tlc.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
Empty heading.
Errors:
Bad value “” for attribute “media” on element “source”: Media query ended prematurely.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Any “input” descendant of a “label” element with a “for” attribute must have an ID value that matches that “for” attribute.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “for” attribute of the “label” element must refer to a non-hidden form control.
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