It’s important to consider the unique dynamics of each learning environment when discussing whether class caps for online and in-person courses should be the same. Many institutions are looking at increasing the number of online students through a combination of course availability, carousel offering, sequencing, and timing rather than increasing caps in online courses. It is quite possible to increase the number of seats in a well-designed online class, but for online instructors to build and facilitate student centered courses based on active learning and inclusive pedagogy, there are some important considerations.
https://www.facultyfocus.com/articles/online-education/should-online-courses-have-less-students-why/