In the last 789 days since October 3, 2022, the website kell4.ru has been checked for availability 2 times. In 2 of the tests that were conducted, kell4.ru returned a code 200 in response, the most recent uptime occurring on March 8, 2023. No occurrences of kell4.ru being down were detected during the inspections conducted as of December 1, 2024. There are no errors in the responses received as of December 1, 2024, as confirmed by the responses received. Kell4.ru's 1.477 seconds response time on March 8, 2023, contrasted its average of 1.244 seconds.