From September 3, 2021, through the past 1 186 days, kai.ed.jp's availability has been analyzed 2 times. The tests conducted revealed that kai.ed.jp was reachable 2 times in total, with the most recent uptime occurring on September 3, 2021, returning a code 200. During inspections carried out as of December 3, 2024, kai.ed.jp had no instances of unavailability. There was no error status code returned as of December 3, 2024, according to all responses received. Kai.ed.jp's response time was 4.442 seconds on September 3, 2021, while the average response time is 3.282 seconds.