A Content Management System (CMS) is software that lets you create, edit and organize the content of a website without writing code. WordPress is the best-known example, and it is the reason you can publish a post as easily as you send an email.
If you run a WordPress site, you already use a CMS every day, even if you never called it that.
How does a CMS work?
Before content management systems, people built websites by hand-coding every HTML file. Changing one menu link meant editing dozens of files. A CMS fixes this by keeping your content and your design in separate places.
In WordPress, your posts, pages and settings are saved in a database. The theme decides how that content looks, and WordPress joins the two together whenever a visitor opens a page.
Think of it like a photo frame. You can change the frame anytime without touching the photo inside.
Common features of a CMS
- An editor for writing and formatting content, like the WordPress block editor.
- A media library to store images, videos and documents.
- User roles, so editors, authors and contributors get only the access they need.
- Themes for design and plugins for extra features.
WordPress started as a blogging tool in 2003. Today it runs everything from portfolios to online stores, so it is treated as a full CMS.
Is WordPress the only CMS?
No. Plenty of other content management systems exist, such as Joomla and Drupal, along with hosted website builders. Each has its own strengths, but WordPress stands out for its huge community and tens of thousands of free plugins.
Some developers even use WordPress as a "headless" CMS. Here, WordPress only stores and manages the content, while a separate front end displays it, for example through the REST API.
To see where WordPress shines and where it falls short, read our article on the advantages and disadvantages of WordPress CMS. You can also compare other options in our list of WordPress alternatives.
So, a CMS separates content from design and lets anyone run a website. That's all for now. If anything about content management systems is still unclear, ask us in the comment section below.