I-serfer.ru was checked for availability 8 times during a 753 day period beginning on November 4, 2022. In 3 instances of operability from all checks conducted, i-serfer.ru's last recorded uptime on March 14, 2024, returned a code 200. Of total evaluations carried out, i-serfer.ru was unreachable for 4 times, representing 50.00%, with August 13, 2024, being the latest. A recent error, coded as 403, was identified on February 20, 2024, as the most recent error out of the 1 responses with errors. I-serfer.ru's average 0.322 seconds response time contrasted with its — seconds time on August 13, 2024.