Starting on December 31, 2021, the operability of sis.edu has been tested 4 times over the last 1 057 days. The uptime of sis.edu reached 4 instances in total tests, with the latest recorded on July 8, 2022, returning a code 200. As of November 22, 2024, no offline periods were found for sis.edu in inspections conducted. As per the replies received as of November 22, 2024, there are no errors present in any of them. Recorded at 0.347 seconds on July 8, 2022, sis.edu's response time differed from its 0.364 seconds average.