Seisen-h.ed.jp has been checked 1 times for availability over the previous 2 104 days since February 23, 2019. The tests carried out revealed 1 instances of seisen-h.ed.jp uptime, including a 200 status code result on February 23, 2019. No incidents of inaccessibility were detected for seisen-h.ed.jp in evaluations conducted as of November 27, 2024. As of November 27, 2024, none of the replies that were received had any records of an error status. The 3.873 seconds average contrasted seisen-h.ed.jp's 3.873 seconds response on February 23, 2019.