November 13, 2020, was the beginning of the 1 466 day time frame in which lk21.org underwent 407 uptime tests. Operational 397 times throughout the entirety of checks conducted, lk21.org's last recorded uptime on November 15, 2024, returned a code 200 response. No periods of non-functionality were detected for lk21.org across all inspections done as of November 18, 2024. The occurrence on October 1, 2024, coded as 403, was one of the 10 responses with errors. 2.130 seconds was lk21.org's response time on November 15, 2024, while the average response time is 0.409 seconds.