4 tests were conducted on the operability of onsen.xii.jp over the 1 371 days starting on February 21, 2021. Last recorded uptime on February 24, 2021, returning a code 200, onsen.xii.jp was online 4 times from the complete assessments done. As of November 23, 2024, no inaccessibility incidents have been detected for onsen.xii.jp in all tests. As of November 23, 2024, all replies received indicate that none of them have an error status. Onsen.xii.jp's February 24, 2021, response was received in 5.650 seconds, contrasting its 5.159 seconds average response time.