Errors:
Bad value “https://fonts.googleapis.com/css?family=Noto+Sans+JP:400,700|Noto+Serif+JP:400,700&subset=japanese” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Bad value “” for attribute “aria-hidden” on element “i”.
End tag “nav” seen, but there were open elements.
Unclosed element “ul”.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “rb2019---tab2”.
Stray end tag “span”.
Stray end tag “ul”.
Element “script” must not have attribute “defer” unless attribute “src” is also specified.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “rb2019---tab2” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “type” attribute is unnecessary for JavaScript resources.
Japan JP