Tiers.jp's availability has been checked 5 times total in the 1 658 day time frame beginning March 4, 2021. Checks conducted have shown that tiers.jp is functioning 5 times, the most recent was on January 19, 2025, when a 200 status code was received. As of September 18, 2025, tests indicated that tiers.jp did not face any periods of inactivity. Based on the replies, there were no indications of errors in any of the responses as of September 18, 2025. Contrary to the 1.762 seconds average response time, tiers.jp's response on January 19, 2025, was 1.999 seconds.