Within the 1 160 day time frame starting on September 14, 2021, there have been 6 tests done on thegreatcourses.com's availability. Based on a 200 status response received on September 22, 2023, thegreatcourses.com was online 6 times out of total uptime checks. Offline periods were not observed for thegreatcourses.com based on all checks made as of November 18, 2024. As of November 18, 2024, every response has been received, confirming that none of the them contain error statuses. Against an average of 0.473 seconds, the response from thegreatcourses.com was 0.652 seconds on September 22, 2023.