Upstream-tracker.org's availability has been checked 2 times over the past 1 111 days, starting from December 10, 2021. Upstream-tracker.org was accessible 2 times, the last instance on November 21, 2024, when a 200 status code was received, out of the total tests done. All checks performed as of December 26, 2024, showed no offline periods for upstream-tracker.org. As of December 26, 2024, the replies that were received indicated that there were no reported errors in the responses. On November 21, 2024, a 0.886 seconds response time contrasted upstream-tracker.org's 1.101 seconds average.