During the past 1 189 days beginning August 26, 2021, until now, sisen.jp's accessibility was analyzed 1 times. Through 1 operational instances across all conducted checks, sisen.jp affirmed its latest uptime on August 26, 2021, by returning a code 200. According to the checks conducted as of November 27, 2024, sisen.jp did not encounter any periods of unavailability. According to replies obtained, no errors were encountered in responses as of November 27, 2024. With 4.640 seconds being the average, sisen.jp recorded a response time of 4.640 seconds on August 26, 2021.