Sumida.ed.jp's accessibility has been checked 1 times over a 1 178 day period from September 6, 2021, until present day. Out of every test performed, sumida.ed.jp was accessible 1 times, most recently on September 6, 2021, with a 200 status code. All checks performed as of November 28, 2024, showed no offline periods for sumida.ed.jp. According to the records, no error status codes were present in any of the responses that had been received as of November 28, 2024. Sumida.ed.jp replied with a 2.054 seconds response time on September 6, 2021, while averaging 2.054 seconds.