Errors:
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
CSS: The @charset rule may only occur at the start of the style sheet. Please check that there are no spaces before it..
CSS: “cursor”: “hand” is not a “cursor” value.
CSS: “text-underline-offset”: Property “text-underline-offset” doesn't exist.
The element “label” must not appear as a descendant of the “a” element.
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 “button” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Bad value “” for attribute “id” on element “span”: An ID must not be the empty string.
An element with the attribute “tabindex” must not appear as a descendant of the “a” element.
Duplicate ID “”.
Element “script” must not have attribute “async” unless attribute “src” is also specified or unless attribute “type” is specified with value “module”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The “button” role is unnecessary for element “button”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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