Over the past 1 145 days, starting from October 1, 2021, there were 4knigifb2.org's availability checks performed. Testing found knigifb2.org active 3 times, including on the latest check September 24, 2024, which returned a 200 status code. 25.00% of inspections resulted in downtime of knigifb2.org, which equals 1 instances, with the most recent on April 2, 2023. None of the responses have an error status as of November 19, 2024, according to all replies. Knigifb2.org, on September 24, 2024, responded in 0.652 seconds, differing from its average of 0.509 seconds.