Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “Layer_1” was here.
Empty heading.
Errors:
CSS: “justify-content”: “flex-between” is not a “justify-content” value.
CSS: “user-drag”: Property “user-drag” doesn't exist.
CSS: Parse Error.
CSS: Unrecognized .
Attribute “nes” not allowed on element “link” at this point.
Attribute “nes” not allowed on element “meta” at this point.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Attribute “target” not allowed on element “button” at this point.
Bad value “listbox” for attribute “role” on element “a”.
An element with “role=option” must be contained in, or owned by, an element with “role=listbox” or “role=radiogroup” or “role=tree” or “role=combobox” or “role=menu”.
Bad value “listbox” for attribute “role” on element “button”.
Element “input” is missing required attribute “aria-expanded”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
The element “header” must not appear as a descendant of the “header” element.
The element “footer” must not appear as a descendant of the “header” element.
Attribute “readonly” is only allowed when the input type is “date”, “datetime-local”, “email”, “month”, “number”, “password”, “search”, “tel”, “text”, “time”, “url”, or “week”.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Duplicate ID “Layer_1”.
Bad value “” for attribute “srcset” on element “source”: Must contain one or more image candidate strings.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Element “a” not allowed as child of element “figure” in this context. (Suppressing further errors from this subtree.)
The “itemid” attribute must not be specified on elements that do not have both an “itemscope” attribute and an “itemtype” attribute specified.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
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.
The “aria-labelledby” attribute must point to an element in the same document.
Japan JP