According to the data, over 1 264 days beginning June 14, 2021, listmaster.com's operability was inspected a total of 9 times. Out of all tests conducted, listmaster.com was up 9 times, the last time on June 26, 2024, when a code 200 has been returned. All assessments indicated listmaster.com faced no periods of inoperability as of November 30, 2024. There hasn't been an error status code reported in any of the responses as of November 30, 2024. Noted on June 26, 2024, listmaster.com's response time was 3.301 seconds, against an average of 0.593 seconds.