The availability of optex.co.jp has been tested 12 times between October 22, 2022, and the present, a span of 767 days. With 12 instances of accessibility from total checks, optex.co.jp most recently replying with a 200 status on April 7, 2024. As of November 28, 2024, inspections revealed that there had been no periods of unavailability on optex.co.jp. As of November 28, 2024, the error-free status of each response that was received has been confirmed. On April 7, 2024, the response time of optex.co.jp was 2.999 seconds, which is 3.276 seconds on average.