Although more and more websites these days use a react.js frontend, for a lot of websites out there WordPress is the standard. Helps in making a website , making it easy to post , and keep things up to date. Lots of modules, very widely used in industry and well supported. Has been going a long time, and has been built up by a world wide community of developers. Has lots going for it. Relatively easy to bring up, and makes managing websites pretty easy.