Why course rating reduces automatically with our any rating given by students also.
is their any algorithm is running.
Udemy considers last 90 days student ratings to calculate overall course rating. So though you have not received new ratings, the old ratings beyond 90 days will be excluded on daily basis. This will fluctuate your course rating.
Ooops, it looks like you’re not a registered Udemy instructor. Want to become an instructor? We’d love to have you!
Become an instructor Already an instructor? Sign in
You can join the Instructor Club after you publish your first course. In the meantime, you’ll find plenty of help and advice in Studio U.