The availability of kvner.ru has been tested 3 times between October 2, 2022, and the present, a span of 783 days. With the last successful check on March 31, 2024, kvner.ru was operational 3 times, returning a 200 status code. All tests conducted as of November 24, 2024, confirmed that kvner.ru did not experience any periods of inoperability. As of November 24, 2024, records show that no error status codes had been noted in any of the responses that had been received. While averaging 1.120 seconds, kvner.ru recorded a response time of 0.981 seconds on March 31, 2024.