Since January 1, 2019, the operability of online.lu has been checked 3 times over the past 2 156 days. Online.lu functionality was proven 3 times from total assessments performed, as shown recently by the November 23, 2022, 200 status code. Offline periods were not observed for online.lu based on all checks made as of November 27, 2024. The responses that were received as of November 27, 2024, showed that none of them had an error status. Averaging 0.185 seconds, online.lu's response time on November 23, 2022, was 0.017 seconds.