Over the past 911 day period starting on May 23, 2022, topref.ru's availability has been checked 11 times. Topref.ru has been reachable 8 times out of all tests, the last uptime on July 23, 2024, returned a 200 status code. All inspections of topref.ru indicated no inoperability issues as of November 19, 2024. On June 7, 2024, within the 3 responses encountering errors, the most recent error was coded as 429. Topref.ru responded in 0.149 seconds on July 23, 2024, compared to an average response time of 1.013 seconds.