Our custom theme

Monolith

The theme we built because we were tired of the alternatives.

No page builder. No twenty plugins fighting each other. No site you rent from a marketplace and never really own. Just fast, clean, hand-written code, the same engine under every Cellsior build.

What makes it different

Powerful underneath. Simple on top.

Four reasons a Monolith build beats a marketplace theme and a pile of plugins, in plain terms.

01

Nothing in it you don't need.

Most WordPress sites haul around code for features you will never touch, and every one of those is another thing the browser has to fetch before your page appears. Monolith carries only what your site actually does.

Typical WordPress38 requests · 3.8s
Your Monolith site6 requests · 0.4s

02

A child theme, built around you.

We take the Monolith engine and write a custom child theme on top of it for your build specifically, shaped to your business and wired to the exact integrations you use. Not a generic theme you bend to fit, the other way round.

Monolith · the engine
your-child-theme custom
Your branding and design
Your CRM and bookings
Your custom fields
Your automations

03

It looks however you want.

Because it is hand-coded, the design is whatever we draw, not whatever a block builder will allow. Any layout, any shape, any style. No fighting templates, no compromises to fit someone else's grid.

04

And still easy for you to update.

All of that, and your team can still change copy, swap images and add sections day to day, without a developer and without breaking anything. The hard part is hidden, the simple part is yours.

Opening hours
Mon to Fri, 9 to 5
Updated

What is in it

One lean stack, instead of twenty plugins.

Most WordPress sites are a theme bought off a marketplace plus a dozen plugins that half-overlap and slow each other down. Monolith replaces that with one tight set of parts we built and maintain ourselves, each doing one job properly.

Theme

monolith-theme

A lean, hand-coded theme. No page builder, no template bloat, just semantic, fast, accessible markup that you fully own.

Optimizer

monolith-optimizer

Page caching, minified assets and clean output, so pages load in well under a second without a pile of caching plugins.

Images

monolith-images

Automatic WebP conversion and correct sizing on upload, so heavy media never quietly drags the whole site down.

Contact

monolith-contact

Built-in forms with spam control and reliable delivery, wired to your inbox or CRM. No third-party form plugin to manage.

Governance

monolith-governance

Security hardening and safe defaults baked in, so the site is locked down properly from the first day it goes live.

Studio

monolith-studio

A section-based editor. Build and rearrange pages from clean HTML sections, with no drag-and-drop builder and no shortcode soup.

Performance is the point

Fast by default, not by fluke.

Because there is no builder and no plugin pile-up, there is almost nothing to slow a Monolith site down. Speed is not a plugin we add at the end, it is what is left when you remove the bloat.

< 0.8s
Typical load
0
Page builders
100%
Yours to own
Lighthouse report · a Monolith build
0
Performance
0
Accessibility
0
Best
Practices
0
SEO

Want a site built on Monolith?

Every Cellsior build runs on it as standard. Tell us what you need and we will show you what a hand-coded site, with automation built in, actually feels like to own.

Initialising Scheduler