What is a CMS? And does your business need one?
Ajdin PodrinjaFounder of Grow · 7 years in marketing and webPublished 22 Sep 2026
What a content management system (CMS) is, how WordPress, site builders and headless CMS differ, and when a CMS really pays off for your business website.
A content management system (CMS) is an admin interface that lets you change your website's content yourself — no coding needed. You log in, type a new text, swap a photo or add a page, click “Publish”, done. The technology underneath stays untouched.
The three common options
| Option | Examples | Strengths | Weaknesses |
|---|---|---|---|
| Traditional CMS | WordPress, TYPO3, Joomla | Huge choice of themes and plugins, widely used | Needs regular updates; plugins slow things down and are a security risk |
| Website builder | Wix, Jimdo, Squarespace | Quick start, everything in one place | Monthly fees, little control over code, SEO and migration |
| Headless CMS | Sanity, Strapi, Storyblok, Payload | Very fast, secure, cleanly separated from the tech | Needs a developer to set up |
Traditional CMS: WordPress & co.
WordPress powers over 40% of all websites worldwide. The upside: nearly every feature exists as a plugin and many agencies know the system. The downside shows after a few years: dozens of plugins that need updating, security holes when they aren't, and load times that get worse with every add-on. Without maintenance, a WordPress site becomes a liability.
Site builders: convenient, but rented
Site builders are ideal for getting started if you want to do everything yourself. But remember: you are renting the website. Cancel and it's gone; moving to another provider effectively means a rebuild. And your design options end where the template ends.
Headless CMS: the modern approach
With a headless CMS, the editing interface and the website are separate. You manage content in a tidy interface, while the website itself is a fast, lean application (built with Next.js in our case). The result: excellent load times, minimal attack surface, and you only see the fields you actually need — no cluttered menus.
How to recognise a good CMS
- You can find your way around without a manual and only see relevant fields
- You can preview changes before publishing
- Images are resized and optimised automatically
- There are user roles — your assistant can update the menu but not the legal notice
- Content can be exported in case you ever switch
- Someone reliably takes care of updates and security
What does a CMS cost?
The software itself is often free or costs a few euros a month. The effort lies in the setup: planning the content structure, creating fields, building templates, training. On the market this usually adds €1,000–3,000 compared with a website without a CMS. With us, the difference between GROW CLASSIC (€1,590) and GROW ADVANCED with CMS (€2,490) is €900 — including training and no charge for later content changes.
For a full breakdown of website costs, read How much does a website cost?
- Can I add a CMS later?
- Yes. A well-built website can be connected to a headless CMS afterwards. It is cheaper if the decision is made at the start.
- Is WordPress insecure?
- WordPress itself is solid. Most problems come from outdated plugins and missing updates. With consistent maintenance it is secure — without it, it isn't.
- Do I own the content in the CMS?
- With us, yes — content, code and domain belong to you and can be exported at any time.
