During the 254 day period beginning on March 13, 2024, a total of 2 availability checks of seishun.co.jp were performed. Of all the checks attempted, seishun.co.jp was up 2 times, the last instance being on March 13, 2024, with a code 200 response. No instances of downtime were detected for seishun.co.jp during inspections conducted as of November 23, 2024. As of November 23, 2024, it is confirmed by all received responses that none contained an error status. Records show 2.946 seconds on March 13, 2024, as seishun.co.jp's response time, against 3.233 seconds on average.