4 times queens.cz was tested for operability over the course of 1 940 days starting on July 28, 2019. Out of total assessments performed, queens.cz succeeded 4 times, including on January 20, 2022, with a 200 status code. Inspections carried out as of November 18, 2024, showed queens.cz faced no occurrences of inoperability. As a result of the replies received as of November 18, 2024, it was confirmed that none of them had error status. A 0.170 seconds response time was recorded for queens.cz on January 20, 2022, while its average was 0.245 seconds.