The best WordPress alternative for a modern website is a headless CMS like Sanity, combined with a fast frontend like Next.js. Content stays clean, pages load fast, and everything connects to other systems via API.
According to W3Techs (opens in new tab), WordPress runs on around 40 percent of all websites. That doesn't mean it's the right choice for each of them. Often it's simply the one that was always there.
What is a CMS anyway?
A CMS, short for content management system, is the software behind a website that lets you manage content without touching code. Text, images, pages and menus go into the CMS, and the website displays them. WordPress is the best-known example.
Traditional CMS vs. headless CMS.
Traditional CMS
- Usually self-hosted, on your own server with your own database.
- An interface with elements, often with drag-and-drop for the design.
- A template or theme underneath that determines how the site looks. Content and presentation are tightly coupled.
Headless CMS
- The backend is only for content: text, images, structure. The CMS doesn't decide how it looks.
- Frontend and data are decoupled. The website, or any other application, fetches content via API.
- SaaS or self-hosted, depending on the provider and your requirements.
What decoupling gets you
- Native apps from the same content. An iOS app pulls its data from the same CMS as the website. WordPress isn't really made for that.
- The frontend can be replaced without switching the CMS. New design or new framework, the content stays where it is.
- Content is built in advance and served from a CDN, without a database query on every request.
The result: the website is really fast because nothing unnecessary gets in the way. Content stays clean because every field has its fixed place. And everything you can do in the editor, you can do via API. What that looks like with Sanity is on our Sanity tool page.
What's annoying about WordPress.
WordPress is over 20 years old. Built as blogging software, then used for years for literally everything, from online shops to intranets. You notice that in a lot of places. But because it is, or was, so convenient, it became this widespread.
Slow out of the box
Every page view assembles the page from scratch: query the database, load the theme, run the plugins. Caching plugins partly help here. But they're just the next plugin. Good PageSpeed scores are possible with WordPress, you just have to fight hard for them.
Page builders that cost more than they deliver
Elementor and friends promise design via drag-and-drop. In practice that means: editors that lag. Layouts that shift after an update. And plenty of JavaScript slowing the page down. If you really just want to edit content, you often end up fighting the tool instead of working on the text.
The API came later
WordPress has only had a REST API in its core since version 4.7, at the end of 2016. By then WordPress was already 13 years old. You still notice that today. A lot of it is built to display content in a theme, not to hand it cleanly to other systems.
One data model for everything
Posts, pages, images, menus, revisions: almost everything ends up in a single table, wp_posts. Extra fields go into a second table as loose key-value pairs. Honestly, you don't really need a database for that. And it probably won't ever change, because too many plugins rely on exactly this and it's the WordPress standard.
Spam before the site is even live
The site is barely online, sometimes not even yet, and the first spam comments come in if you're not careful. So in goes the next plugin.
The update marathon
Every plugin is someone else's code. Every update can break something, and every skipped update is a security risk. With 20 plugins, maintaining the foundation becomes a permanent job.
The stack: Sanity, Next.js and Vercel.
A headless CMS is only one half and doesn't replace WordPress on its own. The other half is the frontend, the part visitors actually see (the website). This combination has proven itself:
- Sanity for content
Text, images, page structure, menus and translations live structured in the CMS and are edited in the Studio. - Next.js as the frontend
Next.js is a framework built on React. It builds pages in advance, optimises images automatically and only loads the JavaScript a page really needs. - Vercel for hosting
Vercel comes from the makers of Next.js. The website is served worldwide via a CDN, and every code change goes live with a push.
How it fits together: when someone changes text in Sanity, a webhook notifies the website. Only the affected page is rebuilt, without anyone really having to deploy. So it's a great foundation for non-technical people too, and no more effort than WordPress.
WordPress vs. Sanity compared.
- Speed
WordPress builds pages on every request, speed comes via caching plugin. Sanity websites are built in advance and served from the CDN. A PageSpeed score above 95 is absolutely realistic here. - Editing content
WordPress often relies on page builders with lots of freedom and lots of room for errors. Sanity has a Studio with fixed blocks, tailored to your own content. - Data model
WordPress stores almost everything in one table plus key-value pairs. Sanity works with structured documents, custom fields and real references. - API
Retrofitted in WordPress since 2016. In Sanity, it's the core of the idea. - Security and maintenance
WordPress means plugins, updates and spam filters. A Sanity website has no admin login on the site itself and no plugin collection to attack. The Studio (the admin area for content) can even live somewhere else entirely. - Costs
WordPress is free, plus hosting, any premium plugins and maintenance. Sanity is free for up to 20 users, then $15 per user per month, plus hosting. As of October 2026. - Getting started
WordPress can usually be clicked together without a developer if you take a ready-made template. Sanity needs someone to build the website once at the start.
What speaks against Sanity.
Sanity isn't something you click together. Without a developer there's no start, and for now there's no marketplace with ready-made themes. The initial build takes effort once at the start, but WordPress doesn't come without effort either.
In return, you save later: no plugin updates, no fighting the page builder, no performance construction sites. The effort shifts from ongoing operation to the start.
Switching without losing SEO.
Switching doesn't mean starting from zero. Content is migrated from WordPress via API, not copied by hand. When we replace a website, we keep the URL structure wherever possible.
Where a new structure makes sense, redirects send the old URL to the new one. That keeps rankings and backlinks intact, and no SEO strength gets lost.
When switching pays off.
- The website is slow, and every caching plugin only adds a few points.
- Several people edit content, and the layout regularly breaks in the process.
- The website is multilingual or is about to be.
- A design refresh is due anyway.
- Content should flow into other systems, for example an app.
- Every update gives you a stomach ache, because nobody knows which plugin will stop working afterwards.
If your WordPress site is slow or every update gives you a stomach ache, take a closer look at Sanity. Or tell us what you need. We're happy to show you a Sanity + Next.js demo if you like.
— Robert
