There are a few ways to create a blog course.
The first option is to use an online course platform like Udemy. Udemy offers a wide range of courses that can be customized to teach specific blogging topics.
The second option is to use a blog platform like WordPress to create a course that teaches how to design, create, and manage a blog. WordPress is a very popular platform for blogging, and it has many features that make it easy to create and manage a blog.
The third option is to use an online course platform like Skillshare or lynda. These platforms offer courses that teach specific blogging topics.
These courses can be purchased individually, or they can be purchased as part of an online course bundle.