404. That’s an error.

The requested URL /_/+1/confirm?hl=ja&url=http%3A%2F%2Ftomo5377jp.wp.xdomain.jp%2F2019%2F07%2F14%2F%25e4%25ba%2594%25e8%25bc%25aa%25e3%2583%2586%25e3%2582%25b9%25e3%2583%2588%25e5%258f%2582%25e5%258a%25a0%25e3%2581%25ae%25e3%2582%25b5%25e3%2582%25a6%25e3%2582%25b8%25e9%2596%25a2%25e4%25bf%2582%25e8%2580%2585%25e3%2580%2581%25e3%2583%259b%25e3%2583%2586%25e3%2583%25ab%25e5%25be%2593%25e6%25a5%25ad%25e5%2593%25a1%25e3%2581%25ab%2F was not found on this server. That’s all we know.