Starting on May 9, 2021, the operability of ultra-l.net has been tested 7 times over the last 1 304 days. The operability of ultra-l.net was confirmed 7 times through all checks, as proven by the 200 status on March 17, 2023. No instances of non-functionality were found for ultra-l.net across all tests conducted as of December 4, 2024. The responses received indicate that there were no error statuses as of December 4, 2024. When compared to its average response time of 4.902 seconds, ultra-l.net's March 17, 2023, response time was 5.513 seconds.