Sosia.jp had passed 6 availability checks over the 1 802 days counting from July 9, 2021, until now. Throughout all tests as of June 15, 2026, sosia.jp was either down or experiencing difficulties. No inoperability occurred on sosia.jp, according to checks performed as of June 15, 2026. Among the 6 replies that included errors, the most recent error (coded as 403) occurred on January 30, 2022. On January 30, 2022, sosia.jp responded in 1.036 seconds, contrasting its 0.649 seconds average response time.