Counting from December 2, 2024, until now, which equals 0 days, learn.columbia.edu was checked for accessibility 0 times. Each evaluation completed as of December 2, 2024, found learn.columbia.edu to be unreachable or having problems. As of December 2, 2024, no downtime was noted for learn.columbia.edu for any of the inspections that were done. As of December 2, 2024, there were no responses indicating error status, based on all received replies. Against an average of 0.000 seconds, the response from learn.columbia.edu was 0 seconds on December 2, 2024.