Data analysis indicates listchallengeapp.com had 5 operability tests done during the 1 156 days following September 19, 2021. On September 20, 2024, listchallengeapp.com returned a code 200, the latest of 4 instances of uptime from aggregate checks performed. All tests conducted as of November 19, 2024, confirmed that listchallengeapp.com did not experience any periods of inoperability. Among the 1 responses that had errors, the most recent one, coded as 403, was noted on September 20, 2024. Differing from 1.793 seconds on average, listchallengeapp.com responded in 2.884 seconds on September 20, 2024.