Optc.co.jp's accessibility was inspected 5 times over the 1 159 days following October 2, 2021. Uptime assessments reveal optc.co.jp was functional 5 times, on October 7, 2024, the latest test resulted in a 200 status code response. According to assessments completed as of December 5, 2024, there were no periods of inoperability for optc.co.jp. All responses have been noted as error-free as of December 5, 2024, based on the replies that have been received. Optc.co.jp responded in 1.186 seconds on October 7, 2024, its average response time being 1.485 seconds.