There were 3 times over a 1 139 day period from October 6, 2021, that modernlib.ru was checked for availability. The uptime of modernlib.ru reached 3 instances in total tests, with the latest recorded on September 9, 2022, returning a code 200. No offline periods were observed for modernlib.ru in all inspections done as of November 18, 2024. Based on the replies received, it is confirmed that there were no error responses as of November 18, 2024. On September 9, 2022, modernlib.ru showed a response time of 0.562 seconds, compared to an average response time of 1.176 seconds.