Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:og” not allowed here.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
The “version” attribute on the “html” element is obsolete. You can safely omit it.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “alt” not allowed on element “a” at this point.
Duplicate ID “link-selector”.
Duplicate ID “menu-group”.
Bad value “イベント & セミナー,” for attribute “id” on element “div”: An ID must not contain whitespace.
Bad value “App Center,” for attribute “id” on element “div”: An ID must not contain whitespace.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “e-search-input”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
End tag “h2” seen, but there were open elements.
Element “style” not allowed as child of element “p” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
No “p” element in scope but a “p” end tag seen.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
End tag “br”.
End tag “u” violates nesting rules.
No “a” element in scope but a “a” end tag seen.
The “center” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “section”.
Stray end tag “section”.
Stray end tag “div”.
Bad value “[object Object]” for attribute “id” on element “div”: An ID must not contain whitespace.
Duplicate ID “[object Object]”.
Duplicate ID “サービス稼働状況”.
Duplicate ID “問い合わせ”.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “link-selector” was here.
The first occurrence of ID “menu-group” was here.
The first occurrence of ID “e-search-input” was here.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “[object Object]” was here.
The first occurrence of ID “サービス稼働状況” was here.
The first occurrence of ID “問い合わせ” was here.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
Japan JP