There were 3 times that mysumi.jp's availability was tested during the 1 249 days from June 29, 2021. Including the August 23, 2021, check that returned a 200 code, mysumi.jp has been available in 3 out of all attempted tests. As of November 29, 2024, evaluations showed no periods of inactivity for mysumi.jp. As confirmed by all received replies as of November 29, 2024, there are no responses with error statuses. Data reveals 0.653 seconds as mysumi.jp's response time on August 23, 2021, against 0.627 on average.