In the period of 1 307 days starting December 10, 2021, act.ushmm.org's operability was inspected 1 times. Act.ushmm.org, as of July 9, 2025, was found to be either down or facing challenges during all inspections conducted. During the checks conducted, there were no instances of act.ushmm.org being unavailable as of July 9, 2025. The error response coded 404, which is the most recent one out of a total of 1, occurred on December 10, 2021. Act.ushmm.org's December 10, 2021, 0.426 seconds response contrasted the 0.426 seconds average response time.