From December 14, 2022, through the next 1 007 days, 1 availability tests were completed for coursecatalog.harvard.edu. Throughout the assessments, coursecatalog.harvard.edu was accessible 1 times, most recently on December 14, 2022, responding with a 200 status code. As of September 17, 2025, evaluations showed no periods of inactivity for coursecatalog.harvard.edu. Based on the received replies, it has been confirmed that there were no error responses as of September 17, 2025. Coursecatalog.harvard.edu's December 14, 2022, response of 2.611 seconds contrasted with its 2.611 seconds average response time.