Registration for course lengthy.
It took several minutes to wait for e-mail activation.
It was not clear how to get back to the page where the next module could be chosen after taking the post-test.
The screen where it asked you to click to take the post-test or reprint certificate was very small font. It would be helpful if it was a bit easier to read.
There were fluctuations in volume at times that needed volume adjustments on the speakers (especially on the Introduction presentation).