What is SSL is a question that you probably kind of know the answer to. Most people dealing with websites do. Or, at least, they pretend they do. It’s okay. These things have a level of complexity to them, and all these three-letter abbreviations do require some time getting used to. So here’s an all-you-need-to-know guide to SSLs and all things related. We also tell you how to enable SSL on WordPress step by step.