From June 14, 2021, up until the present date, e-osusume.seesaa.net's accessibility has been tested 3 times over a period of 1 257 days. E-osusume.seesaa.net, during all tests, proved its functionality 3 times, with the latest uptime on December 13, 2021, confirming a response of code 200. According to checks performed as of November 23, 2024, there have been no instances of the inoperability of e-osusume.seesaa.net. As of November 23, 2024, no response contained any errors, according to all received replies. With an average response time of 3.436 seconds, e-osusume.seesaa.net's response time on December 13, 2021, was 0.581 seconds.