Checks of seiken.com's availability have been completed 5 times since February 27, 2021, a span of 1 369 days. As of November 28, 2024, all checks revealed that seiken.com was not operational or experiencing difficulties. According to the checks conducted as of November 28, 2024, seiken.com did not encounter any periods of unavailability. Code 403 was identified as the latest error among 5 responses with errors on April 3, 2021. On April 3, 2021, seiken.com's response time was 0.541 seconds, showcasing an average response time of 0.535 seconds.