Learn · Data and content
A content model is the set of content types a site has and the fields inside each: a service with a name, a summary and three benefits; a case study with a client, a date and images. It is the structure of your content, separate from whichever tool you edit it in.
The distinction from a CMS is the part people miss. WordPress, Sanity and Contentful are tools. Your content model is a decision you make inside whichever tool you pick, and a good model in a plain tool beats a poor model in an expensive one every time.
The test of a model is whether you can add a new kind of page next year without a developer restructuring everything. If every page is one large text field, the answer is no, and the site gets rebuilt rather than extended.
Updated September 2026
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A CMS (content management system) lets non-developers add and edit content through a friendly interface, without touching code. WordPress is the best-known, powering a large share of the web, alongside options like Webflow, Shopify for stores, and modern headless systems. You need one if you'll update content often yourself.
A page builder stores a finished layout. Structured content stores the facts and decides the layout when the page is rendered. The difference only appears when you want that content somewhere else: a listing, an email, an app, or a rich search result, none of which a stored layout can supply.
A data model is the decision about what things exist in your system, what fields each one has, and how they relate to each other. It takes an afternoon to sketch and it governs what the software can do for years afterwards, which is why skipping it is the expensive option.