WordPress or a headless CMS: which one is right in 2026?

The CMS conversation has hardened into two camps: WordPress is legacy bloat, or headless is over-engineering for people who like new things. Both positions are wrong often enough to be useless. The choice comes down to who edits the content, how much the front end has to do, and whether you can carry two systems instead of one.

Where WordPress actually stands

As of July 2026, W3Techs puts WordPress at 41.2% of all websites and 59.1% of those using a known CMS — its nearest competitors are Shopify at 7.6% and Wix at 6.1%. The install base is enormous and still growing in absolute terms, and the plugin and theme ecosystem has no real equivalent anywhere.

The honest counterpoint is that its share of newly built, developer-led projects is falling, squeezed from below by Wix and Squarespace and from above by frameworks and headless platforms. Some of that decline is also a measurement artefact: a headless WordPress site rendered by a JavaScript framework often is not detected as WordPress at all.

What WordPress is still the best answer for

Content-heavy sites edited by non-technical people, daily. Nothing in the headless world matches a mature WordPress editing experience for someone who just wants to publish a post with three images and see it live. Add a large ecosystem of ready-made functionality, a deep pool of developers at every price point, and the lowest build cost for a standard business site — our WordPress Starter is €999 — and for a lot of businesses the decision is already made.

It is also the pragmatic answer when the site must outlive its agency relationship. Whatever happens to your supplier, someone locally can maintain a WordPress site. That is not true of every stack.

What headless actually means, and what it costs

Headless separates content storage from presentation: the CMS becomes an API, and the front end is a separate application — typically Next.js — that reads from it. You gain a much higher performance ceiling, freedom to build any interface you want, the same content feeding a website and an app, and a considerably smaller public attack surface.

What you pay is rarely discussed honestly. Two systems to host, deploy and monitor instead of one. Content preview that has to be built rather than assumed. No plugin that adds a contact form in five minutes — every feature is development work. And a higher floor on maintenance skill: there is no local generalist who can patch it on a Tuesday.

The failure mode of each

WordPress fails by accumulation. Twenty-eight plugins, four of them abandoned, each loading its own CSS and JavaScript on every page. Core Web Vitals become an uphill fight, the security surface grows with every addition, and an update eventually breaks the layout at the worst moment. This is a discipline problem more than a platform problem, but the platform makes indiscipline very easy.

Headless fails by friction. Editors cannot see what they are publishing, so they stop publishing. A copy change waits for a deploy. The marketing team, who were promised more control, end up with less. A technically excellent headless build that made content updates harder is a failed project regardless of its Lighthouse score.

Headless WordPress: the option people forget

You can keep the WordPress admin your team already knows and render the public site with a framework, reading content through the REST or GraphQL API. Editors get the familiar interface, visitors get server-rendered pages with full control over performance and markup, and the PHP front end is never exposed.

It is not free — you are still running two systems, and preview needs wiring up — but it resolves the most common real conflict, where the editing experience argues for WordPress and the performance requirements argue against it. For a content-heavy site that also needs to be fast, this is frequently the right answer.

How to decide in one question

Who changes the content, how often, and how much does the front end have to do? Marketing team publishing several times a week onto a conventional site: WordPress. Occasional content updates behind a highly custom interface, or content feeding more than one channel: headless. Frequent publishing and demanding front end together: headless WordPress. A site nobody will edit after launch: you may not need a CMS at all, and paying for one is a recurring cost with no return.

Sources

Market share figures come from live tracking data, checked July 2026.

• W3Techs — Usage statistics of content management systems ↗

  Updated daily. WordPress at 41.2% of all websites and 59.1% of CMS-using sites; Shopify 7.6%, Wix 6.1%, Squarespace 3.5%, Joomla 1.7%.