Sinonimus.ru passed 19 uptime tests within the timeframe of 1 695 days beginning on January 26, 2021. Through 8 operational instances across all conducted checks, sinonimus.ru affirmed its latest uptime on January 17, 2025, by returning a code 200. Sinonimus.ru was unavailable for 8 out of the total evaluations, or 42.11%, with the most recent one taking place on November 21, 2024. The most current error received on August 16, 2025, out of the total 3 error responses, was code 403. 0.031 seconds was sinonimus.ru's response time on August 16, 2025, while the average response time is 0.095 seconds.