— Compare

WordPress vs a custom build.

WordPress runs a huge share of the web for good reasons, and a custom build is not automatically better — it is better for some jobs and worse for others. Because we build both, we have no stake in pushing you to one. The right answer turns on how much you publish, how much speed and security matter, and whether you want a familiar editor or a site engineered to be fast and low-maintenance. Here is the fair version.

Tell us what you need

— The options, side by side

WordPress

Best for Content-heavy sites — blogs, news, publishers, and businesses that publish often — where a familiar editor and a vast plugin library matter more than raw speed.

Where it wins

A mature, familiar editor that non-technical staff already know how to use.
A vast library of plugins and themes for almost any feature you can name.
A huge talent pool, so you are never locked to one builder to maintain it.
Fast and cost-effective to stand up a content-rich site with established patterns.

Where it costs you

Plugins are the most common attack surface on the web — an unpatched one is how most WordPress sites get hacked.
It needs ongoing maintenance: core, theme, and plugin updates, or it quietly becomes a liability.
Plugin sprawl makes sites slow and heavy, which costs you both visitors and rankings unless someone actively tends it.
Out-of-the-box performance lags a purpose-built site, especially on mobile.

A custom build

Best for Sites where speed, security, and a specific experience matter — marketing sites that must load instantly, apps, and anything with unusual requirements a plugin cannot meet cleanly.

Where it wins

Engineered for speed from the ground up — no plugin bloat, fast on every device by default.
A much smaller attack surface: no sprawling set of plugins to keep patched.
Does exactly what you need and nothing you do not, with no fighting a theme to get there.
Lower ongoing maintenance burden when it is built on stable, well-supported foundations.

Where it costs you

Higher upfront cost than spinning up a WordPress theme.
Content editing has to be deliberately built in — it is not free the way the WordPress editor is.
A smaller pool of people can maintain a bespoke codebase, so documentation and clean handover matter more.
For a straightforward content site, custom can be more engineering than the job needs.

— How to decide

Read down the list and stop at the line that sounds like you.

You publish articles or news constantly and need a familiar editor. Points to WordPress
The site must load instantly and security is a first-order concern. Points to A custom build
You want the broadest possible pool of people able to maintain it. Points to WordPress
Your last WordPress site got hacked or crawled to a halt under plugins. Points to A custom build
The feature you need exists as a well-maintained, reputable plugin. Points to WordPress
You need something unusual that no plugin covers without a hack. Points to A custom build
You want the lowest ongoing maintenance once it is launched. Points to A custom build

— Where SetKernel fits

We build both, so we have no axe to grind

Some studios only sell WordPress; others sneer at it. We build both and recommend the one that fits the job, which means we have no reason to push you either way. For a publisher who lives in the editor, WordPress done well is the right call. For a marketing site that has to load instantly or an app with specific needs, a custom build wins. We will tell you which is which for your situation.
WordPress, but done securely and kept fast

Most of WordPress’s bad reputation comes from neglect — unpatched plugins and abandoned maintenance, not the platform itself. When WordPress is the right answer, we build it lean, choose plugins carefully, and keep it patched and fast, so you get the editor you want without the security and speed problems that sink unmaintained sites.
Custom, built to be maintainable

When a custom build is right, the risk people fear is being locked to whoever built it. We build on stable, well-documented foundations, hand over the code and clear documentation, and keep the result something another competent developer could pick up — so the speed and security wins do not come with a lock-in cost.

— Related reading

— Common questions

Is WordPress less secure than a custom site?

WordPress core is reasonably secure; the risk is the plugins. Plugins are the most common way WordPress sites get compromised, almost always because one was left unpatched. A custom site has a much smaller attack surface simply because there is no sprawling set of plugins to keep current. That said, a well-maintained WordPress site with carefully chosen plugins and disciplined updates is perfectly safe — the danger is neglect, not the platform itself.

I keep hearing WordPress is slow. Is that true?

Out of the box and loaded with plugins, often yes — and slow costs you visitors and search rankings. But WordPress can be made genuinely fast with disciplined plugin choices, good hosting, caching, and optimised images. A purpose-built site starts faster by default because there is no bloat to strip away. If raw speed is your top priority, custom has the edge; if you want WordPress, it can still be fast in the right hands.

Will I be locked into you if you build me a custom site?

Not if it is built properly, and that is on us to get right. We build custom sites on stable, well-documented foundations, hand you the code, and write documentation another competent developer could follow. The point of a custom build is to fit your needs, not to trap you — a site only another developer could touch is a badly built one, and we do not deliver those.

How do I choose between them for my business?

Start with how much you publish and how much speed and security matter. If you are constantly adding articles and want a familiar editor with a huge plugin library, WordPress done well is likely right. If the site must load instantly, security is a first-order concern, or you need something unusual no plugin covers cleanly, lean custom. When it is genuinely a toss-up, we will lay out the trade-offs for your specific case and let you decide — we are happy to build either.

— Tell us what you need

Not sure which way to go?

Tell us the problem in two paragraphs — what you run, what is getting in the way, what done looks like. We will tell you honestly which option fits, even when it is not us. We reply in writing within one business day.