3 availability checks were conducted for optol.cz within a 1 598 day period starting on March 14, 2021. Optol.cz was online 3 times from the complete assessments conducted, last active on May 2, 2025, responding with a 200 status code. According to inspections completed as of July 30, 2025, optol.cz had no downtime. As of July 30, 2025, the status of each response that was received has been reported as error-free. It took 0.451 seconds for optol.cz to respond on May 2, 2025, compared to an average response time of 0.531 seconds.