Over the 1 748 day period starting on February 6, 2021, the number of availability checks of tello.com reached 7. Among all uptime assessments, tello.com was accessible 7 times, the most recent instance occurred on September 5, 2025, as indicated by a 200 status code. Reports as of November 20, 2025, indicated that tello.com had never experienced periods of inactivity. As of November 20, 2025, all received replies have confirmed that there are no errors in the responses. Tello.com's average response time of 1.191 seconds was different from its September 5, 2025, reply time of 1.329 seconds.