In the 343 day period that started on January 16, 2024, istd.com was checked for availability 5 times. From tests, istd.com had 5 instances of uptime, the most recent of which occurred on October 22, 2024, with a 200 code. Istd.com showed no periods of inactivity across all tests conducted as of December 25, 2024. As of December 25, 2024, no instances of an error status code were noted, according to the responses that were received. On October 22, 2024, istd.com's response time of 0.349 seconds differed from its average of 0.427 seconds.