Checks of istanbul-expert.ru's availability have been completed 3 times since February 23, 2023, a span of 638 days. All the tests conducted as of November 22, 2024, showed that istanbul-expert.ru was unavailable or facing problems. 33.33% of the times istanbul-expert.ru was evaluated resulted in it being unavailable, totaling 1 occurrences, most recently on July 31, 2024. On February 23, 2023, the most recent error recorded was code 403, out of 2 responses that encountered errors. Istanbul-expert.ru's — seconds response on July 31, 2024, differed from its average response time of 0.030 seconds.