Over the past 2 008 days, starting from June 7, 2019, there were 1sogo-seibu.co.jp's availability checks performed. Responding with a code 200 in its latest recorded uptime on June 7, 2019, sogo-seibu.co.jp showcased functionality 1 times across all conducted checks. All testing performed of sogo-seibu.co.jp as of December 5, 2024, found zero instances of inoperability. As of December 5, 2024, it is confirmed by all received responses that none contained an error status. Data indicates sogo-seibu.co.jp's 2.589 seconds response time on June 7, 2019, against a 2.589 seconds average.