April 13, 2021, was the beginning of the 1 550 day time frame in which upfrf.ru underwent 7 uptime tests. Testing proves upfrf.ru's operability 7 times from total attempts, including on October 26, 2022, when a 200 status code was received. Based on evaluations completed as of July 12, 2025, there have been no periods of inactivity on upfrf.ru. Every response that has been received as of July 12, 2025, suggests that there are no errors in any of them. Responding in 0.786 seconds on October 26, 2022, contrasted with upfrf.ru's average of 0.615 seconds.