In the period of 1 262 days starting on June 17, 2021, analysis indicates koyo-sha.jp underwent 2 accessibility tests. Koyo-sha.jp had 2 instances of uptime from checks that were completed, with the most recent one occurring on January 8, 2023, with a 200 code. During the assessments performed as of November 30, 2024, no instances of downtime were reported for koyo-sha.jp. As of November 30, 2024, the replies that were received indicated that there were no reported errors in the responses. For koyo-sha.jp, the January 8, 2023, response time was 2.332 seconds, contrasted by a 3.349 seconds average.