The operability of hl21.net was checked 21 times during a period of 1 188 days, beginning on September 2, 2021. From whole tests made, hl21.net was up 2 times, most recent uptime recorded September 7, 2021, replying with a code 200. For 19 of the total assessments, hl21.net was unavailable, equivalent to 90.48%, with the last occurrence on November 24, 2024. According to replies, as of December 4, 2024, all responses were received without any error statuses. Responding in — seconds, hl21.net's recorded time on November 24, 2024, differed from its 1.867 seconds average response.