301
HTTP
301 Moved Permanently
The resource has been permanently moved to a new URL. All future requests should use the new URL. Search engines will transfer link equity to the new URL.
このコードが表示された場合
After domain migrations, URL restructuring, or when consolidating duplicate URLs.
修正方法
Update links and bookmarks to the new URL in the Location header. For SEO, this is the preferred redirect for permanent moves.
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