Over the 1 539 day period starting on February 6, 2021, the number of availability checks of tello.com reached 5. Among all uptime assessments, tello.com was accessible 5 times, the most recent instance occurred on April 9, 2025, as indicated by a 200 status code. Reports as of April 26, 2025, indicated that tello.com had never experienced periods of inactivity. As of April 26, 2025, all received replies have confirmed that there are no errors in the responses. Tello.com's average response time of 1.147 seconds was different from its April 9, 2025, reply time of 1.018 seconds.