Iop.org's availability was analyzed 97 times during the 1 693 day time frame that began on January 28, 2021. 3 instances of iop.org uptime, including the code 200 result on August 16, 2025, were noted from the tests conducted. Based on all the checks made as of September 18, 2025, no offline periods were observed for iop.org. On July 24, 2025, out of 94 responses that encountered errors, code 403 was identified as the most recent error. The data shows that on August 16, 2025, iop.org responded in 0.176 seconds, compared to the average of 0.123 seconds.