Ranked in these QuestionsQuestion Ranking
Pro High quality instruction
CS50x is the actual Harvard course turned into a MOOC, with the lectures filmed from the actual Harvard course. The problem sets are all the same as well.
This has resulted in the quality of the course being extremely high.
Pro Amazing instructors
The instructors are very enthusiastic and extremely knowledgeable.
The main professor uses a variety of fun examples to demonstrate points, often making for exciting and funny lectures.
Pro Really in-depth
The reason the time demand for the course is so great is because of how in-depth it is.
CS50 has you programming in C right from the start. Computer Science concepts, such as runtime analysis and data structures, are also taught very early on and applied in projects.
Con Large demand on time
The course is very fast-paced. Weekly suggested readings are usually a couple of chapters from two different text books, there are hours of videos each week, plus problem sets that often take a beginner many hours to complete.
In order to keep up with the course, you have to be prepared to put in a lot of hours.