WordPress
The undisputed leader among the CMS that are used to create blogs is WordPress, it is on this CMS that more than 50% of all sites on the Internet are created!
WordPress is a free content management system with which you can create almost any website, from blogs to online stores and online schools.
WordPress has just a huge number of themes and plugins that just allow you to implement a site of any complexity, although initially, of course, WordPress was intended for creating blogs and is still the most popular CMS for blogs, as well as for creating any site.
Pros of CMS WordPress
Free
Easy Installation
Lots of website themes
Lots of plugins to expand functionality
Intuitive admin interface
Easy installation of themes and plugins (one click)
There is a lot of information on the Internet on working with CMS