10 uptime checks were conducted for tsukuba.ac.jp within the 1 387 day period beginning January 31, 2021. In 10 of the tests that were conducted, tsukuba.ac.jp returned a code 200 in response, the most recent uptime occurring on October 4, 2024. As of November 18, 2024, no instances of unavailability were detected for tsukuba.ac.jp during inspections. As of November 18, 2024, all received replies have confirmed that there are no errors in the responses. The response time on October 4, 2024, was 1.162 seconds, compared to the average of 1.329 seconds on tsukuba.ac.jp.