In the period of 349 days starting December 17, 2024, mos.com.tw's operability was inspected 8 times. Mos.com.tw was available 8 times from the aggregate checks conducted, with the latest recorded uptime on October 31, 2025, returning a code 200. Based on inspections made as of December 1, 2025, there were no instances of inoperability on mos.com.tw. Based on the received responses, there have been no errors reported as of December 1, 2025. Mos.com.tw's response time on October 31, 2025, was 2.221 seconds, with an average of 2.658 seconds.