10 times tallbuildings.ru was tested for operability over the course of 1 976 days starting on June 28, 2019. During the whole testing period, tallbuildings.ru was operational 10 times, the last uptime was on January 6, 2023, and an http status code of 200 was received. Assessments indicated no downtime incidents for tallbuildings.ru as of November 25, 2024. The confirmation that no responses have error statuses is provided by replies received as of November 25, 2024. The January 6, 2023, records indicate tallbuildings.ru's response time of 0.164 seconds differed from its 0.222 seconds average.