From June 28, 2021, through the following 1 397 days, 16 availability checks of quantumart.ru were conducted. Quantumart.ru has received 16 successful responses (code 200) during all check attempts, with the most recent access occurring on January 19, 2025. As of April 26, 2025, no reports of quantumart.ru becoming inaccessible have been made, according to inspections. As of April 26, 2025, there have been no reported responses with an error status based on all the received replies. On January 19, 2025, the recorded response time of quantumart.ru was 1.955 seconds, and the average response time is 0.714 seconds.