You can only decide that this tutorial is best or anything about it you must have to clear all these below-mentioned points:-
The content of the tutorial should be Best. The instructor should be well experienced.
The website should be best, the one that answers yes to all previous questions, probably does not exist. I will tell you from my experience that you can go for the Intellipaat Selenium Tutorial. If you want to have a certificate in Selenium you can go for Selenium Training Course. Here is the link of the video tutorials that you can follow in order to learn Selenium. .