In the 1 407 day period from January 17, 2021, d2l.ctu.edu underwent 4 functioning checks according to the information provided. Over 4 instances out of all conducted checks, d2l.ctu.edu has shown functionality, with the latest uptime on April 15, 2024, returning a code 200. D2l.ctu.edu did not experience any issues related to downtime based on checks carried out as of November 24, 2024. As of November 24, 2024, out of all the replies that were received, none of the responses had an error status. D2l.ctu.edu had a 1.166 seconds response time, contrasted by a 1.250 seconds average, on April 15, 2024.