March 5, 2021, was the start date for the 1 363 days during which sipo.jp had 1 availability checks. During the 1 instances of operability out of all conducted tests, sipo.jp's last recorded uptime on March 5, 2021, returned a code 200. As of November 27, 2024, assessments carried out on sipo.jp indicated that there were no instances of inactivity. As of November 27, 2024, it is confirmed by all received responses that none contained an error status. On March 5, 2021, sipo.jp replied in 0.513 seconds, against its 0.513 seconds average response time.