Iop.org's availability was analyzed 102 times during the 1 733 day time frame that began on January 28, 2021. 8 instances of iop.org uptime, including the code 200 result on October 18, 2025, were noted from the tests conducted. Based on all the checks made as of October 27, 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 October 18, 2025, iop.org responded in 0.612 seconds, compared to the average of 0.128 seconds.