Starting February 28, 2019, tts.no's availability was tested 5 times over the following 2 103 day period. The tests carried out revealed 5 instances of tts.no uptime, including a 200 status code result on July 22, 2022. Based on tests, there have been no reports of tts.no becoming inoperable as of December 1, 2024. Based on the responses received, no error status code was returned as of December 1, 2024. The recorded response time for tts.no on July 22, 2022, was 0.508 seconds, whereas the average response time is 0.207 seconds.