The number of uptime checks of zzl.lib.ru performed over the past 1 151 days, starting October 3, 2021, stands at 3. Throughout all conducted assessments, zzl.lib.ru showcased functionality 3 times, with the most recent uptime on July 7, 2022, resulting in a code 200. No instances of inactivity occurred on zzl.lib.ru, according to all evaluations conducted as of November 27, 2024. Based on the received replies, it has been confirmed that there were no error responses as of November 27, 2024. Zzl.lib.ru replied in 0.145 seconds on July 7, 2022, against its average response time of 0.258 seconds.