Seiwaken.jp had passed 2 availability checks over the 1 166 days counting from October 3, 2021, until now. On December 15, 2021, seiwaken.jp was operational with a 200 status code response, the latest of 1 instances of uptime out of total checks conducted. 50.00% of checks, which equals 1 instances, resulted in seiwaken.jp being out of service, and the latest occurrence was noted on October 3, 2021. As of December 12, 2024, each response received was confirmed to be free of error status codes. Against an average of 0.487 seconds, seiwaken.jp replied in 0.487 seconds on December 15, 2021.