Going back 2 079 days starting on April 15, 2019, to today, zkl.hr was checked for availability 3 times total. From tests, zkl.hr had 3 instances of uptime, the most recent of which occurred on July 20, 2024, with a 200 code. No unavailability incidents were noted for zkl.hr during tests conducted as of December 23, 2024. Based on the replies received as of December 23, 2024, it has been confirmed that there are no responses with error status. On July 20, 2024, zkl.hr had a 0.427 seconds response time, differing from its 0.404 seconds average.