196 availability checks of upstream.to were performed in the 1 472 day period starting on November 11, 2020. Operational 191 times during the total tests, upstream.to's most recent uptime on November 7, 2024, returned a code 200. During the whole inspection period, upstream.to was down 3 times, or 1.53% of the time, with the most recent instance occurring on May 15, 2024. The latest instance of error code 502 was identified in the 2 responses on November 23, 2020. Upstream.to averaged 0.304 seconds in response time, responding in 0.112 seconds on November 7, 2024.