An online course is any course that you can learn on the Internet. Those indicate the course websites, social media, or gathering data through an online document too. It can include some excellent E-Learning websites like calanjiyam.com for instance.
It will surely be worth taking and educating yourselves when you are consistent.
Yes, It would be even more interesting to master the techniques at the ease of your home.
Make sure to check out for the certification, credits given, and costs beforehand to save time.