Over the course of the 2 034 days that started on May 3, 2019, 6 availability checks of jsat.jp were carried out. Jsat.jp, during all tests, proved its functionality 6 times, with the latest uptime on September 15, 2021, confirming a response of code 200. No instances of inactivity occurred on jsat.jp, according to all evaluations conducted as of November 26, 2024. As of November 26, 2024, the responses obtained noted that there are no responses with error statuses. The response time noted for jsat.jp was 1.831 seconds on September 15, 2021, against a 2.836 seconds average.