The operability of referr.ru was checked 11 times during a period of 1 413 days, beginning on February 27, 2021. With the last occurrence on September 29, 2024, when a code 200 was returned, referr.ru was up 11 times out of all the checks performed. According to the checks, referr.ru experienced zero downtime as of January 10, 2025. It can be confirmed, based on the received replies, that no errors were encountered as of January 10, 2025. The recorded response time for referr.ru on September 29, 2024, was 2.484 seconds, whereas the average response time is 1.584 seconds.