Security.org W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Duplicate attribute “rel”.
A “link” element with an “as” attribute must have a “rel” attribute that contains the value “preload”.
Duplicate attribute “data-toggler”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “60px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “615px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “72px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
The “aria-controls” attribute must point to an element in the same document.
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