In the time frame of 2 030 days beginning May 6, 2019, osschool.jp's availability was checked 1 times. With a total of 1 instances of operability out of all conducted tests, osschool.jp's last recorded uptime on May 6, 2019, returned a code 200. No instances of inoperability occurred on osschool.jp based on inspections made as of November 26, 2024. As confirmed by all replies received as of November 26, 2024, there are no responses with an error status. Records indicate 0.466 seconds as osschool.jp's response time on May 6, 2019, against 0.466 seconds on average.