Since September 7, 2021, kouseikai.or.jp's availability has been checked 2 times over the last 1 303 days. With a code 200 response, kouseikai.or.jp was accessible 2 times, the last instance being on September 14, 2021, out of the total checks conducted. Throughout the inspections carried out as of April 2, 2025, there were no cases of kouseikai.or.jp being unavailable. As confirmed by all replies received as of April 2, 2025, there are no responses with an error status. On September 14, 2021, kouseikai.or.jp's response time was recorded as 1.550 seconds, with an average of 1.557 seconds.