Key information
A CMS, or content management system, is software that lets you create, edit, organise and publish content on a website without needing to write HTML or touch server code directly. Instead of editing raw files, you work through an admin dashboard: writing pages and posts in a visual editor, uploading images through a media library, and managing navigation, users and settings through simple forms. The CMS handles turning that content into a working webpage behind the scenes.
How a CMS actually works
Most modern content management systems separate content from presentation. Your content — text, images, product data — is stored in a database. Templates and theme files control how that content is displayed. When a visitor requests a page, the CMS pulls the relevant content from the database and renders it inside the appropriate template. This separation is what lets you redesign a site's appearance without rewriting every page's content, or update content daily without touching any design code.
Common types of CMS
1. WordPress: The most widely used CMS globally, powering a large share of the web. Highly extensible through themes and plugins, suited to everything from simple brochure sites to complex e-commerce stores via WooCommerce.
2. Shopify: A hosted, e-commerce-focused platform rather than a general CMS — built specifically around product catalogues, checkout and order management.
3. Headless CMS (e.g. Contentful, Sanity): Content is managed centrally and delivered via an API to any front end — a website, an app, or multiple channels at once — giving developers full control over presentation.
4. Webflow, Squarespace, Wix: Visual, hosted website builders that combine design and content management in one tool, generally aimed at smaller sites with less need for custom development.
How to choose the right CMS
The right choice depends on your team's technical capability, how often content changes, and how complex your site's functionality needs to be. A WordPress site with a well-built theme gives non-technical marketing teams full editorial control while still supporting custom development where needed — which is why it remains our default recommendation for most client projects. Headless setups make more sense when content needs to power multiple front ends, or when a development team wants full control over the front-end framework independent of the CMS.
Whichever CMS you choose, the same fundamentals apply: clean information architecture, fast page load times, and a structure search engines and AI systems can crawl and understand easily.
Common CMS Migration Pitfalls
Moving from one CMS to another — or from a page builder to a headless setup — is one of the highest-risk projects in web development if approached carelessly. The most damaging mistake is losing SEO equity in the process: URLs changing without proper 301 redirects, meta descriptions and structured data not carrying over, or internal linking structures breaking. A close second is underestimating content migration effort — moving years of blog posts, images and metadata between systems is rarely a simple export/import, particularly when the two platforms structure content differently.
Do You Actually Need to Switch?
Many businesses consider a CMS migration when the real problem is how their current CMS is configured, not the platform itself. A slow WordPress site is far more often the result of bloated plugins, poor hosting, or an unoptimised theme than a fundamental limitation of WordPress as a CMS. Before committing to a migration — which carries real SEO and operational risk — it’s worth ruling out whether the underlying issues can be fixed within your existing platform first.
Headless vs Traditional CMS
A traditional CMS like WordPress handles both content management and presentation in one system — the admin dashboard and the public-facing website are tightly coupled. A headless CMS separates these entirely: content is stored and managed centrally, then delivered via an API to whatever front end you choose, whether that’s a website, a mobile app, or multiple channels simultaneously. The trade-off is flexibility versus simplicity — headless setups give developers complete control over the front-end experience but require more custom development than a traditional CMS with ready-made themes, and typically cost more to build and maintain as a result.