The availability of lib.icr.su has been tested 21 times between December 14, 2020, and the present, a span of 1 510 days. The most recent successful check was on August 1, 2021, and returned a 200 status code, of all the checks, lib.icr.su was functioning 21 times. As of February 1, 2025, no periods of inactivity were found for lib.icr.su throughout all checks. None of the responses have an error status as of February 1, 2025, according to all replies. The response time for lib.icr.su on August 1, 2021, was recorded as 0.307 seconds compared to the average of 0.361 seconds.