The operability of citi-class.ru was checked 3 times during a period of 1 110 days, beginning on November 10, 2021. Throughout all tests performed, citi-class.ru was functional 3 times, with the most recent uptime on October 25, 2022, giving a 200 code. No periods of unavailability were detected for citi-class.ru based on all assessments conducted as of November 25, 2024. No error statuses have been reported in any of the responses received as of November 25, 2024. Recorded at 1.404 seconds on October 25, 2022, citi-class.ru's response time differed from its 1.416 seconds average.