The number of uptime checks of topsystems.ru performed over the past 521 days, starting June 29, 2023, stands at 3. Throughout all conducted assessments, topsystems.ru showcased functionality 3 times, with the most recent uptime on June 12, 2024, resulting in a code 200. During all inspections conducted as of December 1, 2024, topsystems.ru experienced no downtime. Based on the obtained replies, it can be concluded that there were no errors in any of the responses as of December 1, 2024. Averaging 0.087 seconds, topsystems.ru's response time on June 12, 2024, was 0.081 seconds.