What Is WordPress?
WordPress is a free, open-source content management system — which is a complex way of saying WordPress helps you to build and manage a website without needing to know how to code. If you want more, we wrote a whole page on what WordPress is.
How Popular Is WordPress?
WordPress is the most popular way to build a website. It powers more than 30.8% of all the websites, and holds a 59.9% market share in the content management system market (source).