Records show sibur.ru's operability was checked 13 times from June 25, 2021, through the subsequent 1 376 days. Confirming operability 13 times total, sibur.ru most recently returned a 200 status code on January 31, 2025, according to tests conducted. No instances of sibur.ru being down occurred during the inspections that were conducted as of April 2, 2025. The responses received indicate that there were no error statuses as of April 2, 2025. Sibur.ru's January 31, 2025, response time, 1.057 seconds, differed from the 0.955 seconds average.