Since September 5, 2021, the operability of jsso.jp has been checked 3 times over the past 1 328 days. The website jsso.jp was confirmed functional 3 times from total checks performed, latest proven on January 19, 2025, by a 200 status response. As of April 26, 2025, jsso.jp has not experienced any downtime in assessments that have been completed. As of April 26, 2025, there are no responses indicating an error status based on all received responses. Jsso.jp responded in 2.866 seconds on January 19, 2025, which contrasted its 2.076 seconds average response time.