Wordpress is the most popular CMS (content management system) in the world for your website...and without exception. There are two versions. We are really only discussing the advantages of Wordpress.org. (The Wordpress.com version has too many limitations and we do not recommend this platform at all.) Wordpress is cheap, easy to use, the best for SEO and provides turn-key themes which can be customized.
Russ and Randy
All the best!