What is the best online graphic design course?

Graphic Design Certification by Calarts (Coursera).

Graphic Design Bootcamp Online (Udemy).

Free Graphic Design Classes Online (Skillshare).

Illustrator CC 2018 MasterClass (Udemy).

Web Designing Certification by University of Michigan (Coursera).

Adobe Illustrator: Mastering the Fundamentals (Udemy).