Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “mixi-check-image” for attribute “rel” on element “link”: The string “mixi-check-image” is not a registered keyword.
Bad value “” for attribute “href” on element “link”: Must be non-empty.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “modulepreload”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Duplicate ID “wrapper”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “width” not allowed on element “input” at this point.
Attribute “height” not allowed on element “input” at this point.
Bad value “/search?search=1&keyword=FX 初心者&type=11&question=&avatar=” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “wrapper” was here.
The “charset” attribute on the “script” element is obsolete.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
Japan JP