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WordPress vs Headless CMS: Which is Right for Your Website?

Fred Ostrovskis-WilkesFred Ostrovskis-WilkesWeb Development

WordPress vs Headless CMS: What’s Actually the Difference?

If you’re planning a new website, you’ll almost certainly come across WordPress. You may also have heard people (like us) talking about “Headless” websites, usually accompanied by claims about speed, security and scalability.

The trouble is that the difference is often explained in language that only makes sense if you already build websites for a living - this blog is our attempt at addressing this and making it easy to understand.

So, in practical terms, what separates the two? Why have we started building Headless websites by default at Wilkes Wood? And does that mean WordPress is suddenly a bad choice?

How WordPress works

WordPress is what’s known as a traditional content management system. It gives you one place to manage your content, control how the website looks and add functionality through themes and plugins.

That all-in-one approach is a large part of its appeal. WordPress is widely supported, relatively easy to get started with and capable of powering everything from a simple brochure website to a large online publication.

It can also be extremely cost-effective. If a business needs a straightforward website and is happy to work within an existing theme or established set of tools, WordPress may be all it needs.

The drawbacks tend to appear when a site becomes more ambitious.

Because the content management system and the website itself are closely connected, making substantial changes can become difficult. Additional functionality is often introduced through plugins, which may come from several different developers and need to be regularly updated. Over time, this can leave a website slower, harder to maintain and increasingly dependent on the particular setup it was originally built around.

That isn’t inevitable, and a well-built WordPress site can perform very well. But it does require discipline, good hosting and careful maintenance, as well as very careful selection of plugins, themes, and third party integrations to ensure they're maintained, safe and robust.

How a Headless CMS is different

A Headless website separates the system used to manage content from the website people actually visit.

Your team still has an editor where it can add articles, update services, change team members and manage other content. The difference is that this content is then delivered to a separately built website rather than being displayed through a WordPress theme.

At Wilkes Wood, we generally use Sanity for content management and build the website’s front end around the particular needs of the business.

This gives us much more control over how the site looks, behaves and performs. We aren’t trying to force a design into an existing theme or relying on a collection of plugins to make different features work together.

It also means the same content can, if needed, be used in more than one place. A collection of products, locations or articles could eventually appear across a main website, a customer portal or another digital platform without having to be entered separately each time.

Not every business needs that, of course. The immediate benefit for most of our clients is simply that we can build a faster, more flexible website without making the editing experience more complicated.

The practical differences

How they’re built

With WordPress, the content management system and the website itself are part of the same setup. With Headless, they are built separately, giving developers greater control over the public-facing website.

Design flexibility

Whilst WordPress websites can be completely bespoke, they are often influenced by the limitations of themes and plugins. A Headless website can be designed and built around the specific needs of the project.

Performance

The speed of a WordPress site depends heavily on its theme, plugins, hosting and how well it has been built. Headless websites can be extremely fast because the front end is lighter and can be optimised more precisely.

Maintenance

WordPress, along with its themes and plugins, needs regular updates. Headless websites generally have fewer moving parts on the public-facing side, although they still require ongoing support and maintenance.

Security

WordPress can be secure when it is properly maintained, but its popularity makes it a common target for attacks. With Headless, the CMS is separated from the public website, reducing the exposure to some common risks.

Content editing

Although WordPress is widely used, its management area can feel cluttered and confusing. Clients are often faced with plugin settings, technical menus and editing options they don’t understand or need.

With a Headless CMS, we build the management area around your website and the way your team works. You only see the content you actually need to manage, with clear fields and straightforward controls that make everyday updates as simple as possible.

Why we moved to Headless

We didn’t move away from WordPress because it had suddenly stopped working. We used it for years and built plenty of good websites with it.

We changed because the websites we were being asked to create were becoming more bespoke, while the limitations of building everything within WordPress were becoming harder to justify.

Our designs were no longer based around standard page templates. Clients wanted richer interactions, better performance and closer connections with other systems. We found ourselves spending too much time working around the structure of WordPress rather than choosing the best way to build the website.

Headless gives us a cleaner starting point and the ability to optimise websites from the ground up.

We have greater control over performance

A Headless site doesn’t need to assemble a page from a theme and a long list of plugins every time somebody visits it. Much of the website can be prepared in advance and delivered quickly through modern hosting infrastructure.

That makes it easier for us to create image-rich, visually interesting websites without accepting poor loading speeds as the price of the design.

It doesn’t make performance automatic. Images still need to be optimised, code still needs to be written properly and the site still needs to be tested. Headless simply gives us a better foundation from which to do that work!

We can build around the business

WordPress often encourages websites to be thought about as a collection of pages. For us, a Headless CMS allows us to think more carefully about the information behind those pages.

For example, rather than repeatedly entering the same details about a service, team member or location, we can create a structured entry that can be used wherever it is needed. Change it once and that change can appear throughout the site.

For businesses with growing content libraries, multiple services or more complex information, this makes the site much easier to manage over time.

We’re less reliant on third-party plugins

Plugins can be useful, but each one introduces another piece of software that needs to remain compatible, secure and supported, not to mention another cost to deal with.

With a Headless build, we can be more deliberate about what goes into the website. Where integrations or specialist features are needed, we can build or connect them without having to reshape the rest of the site around the way a particular plugin works. In many cases, we've been able to completely replicate the functionality a plugin was providing and make it entirely bespoke to a client's needs.

The editing experience can be much cleaner

People sometimes assume a more technically advanced website must be harder to update. It doesn’t have to be.

We configure the CMS around each client’s actual content. Instead of presenting someone with dozens of settings and editing options they should never need to touch, we can give them clear fields for the parts of the site they are responsible for.

That means it's impossible to accidentally dismantle a page, and clients can operate with much more confidence when making everyday updates.

What Headless doesn’t mean

Headless is not automatically faster, safer or better simply because it uses newer technology. A badly planned Headless website can still be slow, awkward to edit and unnecessarily expensive.

Headless makes the most sense when the design needs to be genuinely bespoke, performance matters, the content is likely to grow or the website needs to connect with other services and systems. It is also a strong option for businesses investing in a website they expect to develop over several years rather than replace as soon as their needs change.

Can an existing WordPress site be moved to Headless?

Yes, and moving to Headless doesn’t mean abandoning all the work that has already gone into your current site.

Existing pages, articles, case studies and other content can usually be migrated into the new CMS. We can also preserve important URLs, metadata and redirects so that the move is properly managed from an SEO perspective.

It is still a rebuild rather than the flick of a switch. The new front end needs to be designed and developed, the existing content needs to be reviewed, and the migration needs to be carefully tested.

But it also creates an opportunity to improve the parts of the current site that aren’t working. That might mean simplifying the navigation, restructuring services, removing old content or giving your team a much clearer editing system.

Basically, you can keep what remains useful and rebuild the parts that are holding the site back!

So, which should you choose?

If you need a simple website built quickly and economically, WordPress remains a perfectly reasonable option.

If you want a more distinctive website, need greater control over performance or expect the site to become more sophisticated over time, a Headless approach is likely to give you more room to work with.

The decision should come down to what the website actually needs to do, not which platform happens to be fashionable.

At Wilkes Wood, Headless is now our default because it suits the kind of bespoke, design-led websites we build. But the technology is only ever part of the decision. Before recommending an approach, we look at the business, its content, its plans and how the site will be managed after launch.

If you’re considering a new website or wondering whether your existing WordPress setup is still serving you well, get in touch. We can talk through the options without assuming the answer before the conversation starts.

About the author
Fred Ostrovskis-Wilkes

Fred Ostrovskis-Wilkes

Fred is a co-founder of Wilkes Wood, where he oversees strategy, project delivery and client relationships.

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