Speed up your Shopify store by going headless
Your Shopify store probably isn't slow because of Shopify. It's slow because of everything piled on top of it: a heavy theme, a dozen apps, and scripts that load before a shopper sees a single product.
Why Shopify stores get slow
Most Shopify stores start fast. Then the store grows, and the speed quietly goes away. Every review widget, upsell popup and chat bubble adds its own JavaScript, and many keep loading code even after you uninstall them.
You can trim some of this with theme tweaks and app audits. But you're still working inside a template, and the gains don't last long once the next app goes in.
What going headless means
A normal Shopify store is one piece: Shopify stores your products and also draws every page your shoppers see. A headless store splits that in two. Products, inventory, orders and checkout stay in Shopify, and your team keeps the admin they already know.
The storefront becomes a separate, purpose-built site. It pulls product data from Shopify's Storefront API and hands shoppers off to Shopify's secure checkout. We build it with SvelteKit, which sends very little code to the browser.
The benefits of a headless store
Much faster pages
Only the code each page needs, served from a global edge network.
Better SEO
Pass Core Web Vitals and control every URL, tag and schema.
No template ceiling
Configurators, lookbooks, motion — if it can be designed, it can be built.
Fewer apps
Bundles, size charts and filters built in, not bolted on.
The trade-offs
Headless isn't right for every store. A custom storefront is a real build, not a theme install, so the first investment is bigger. Apps that inject code into your theme need reworking, though many become unnecessary.
It's a strong fit if speed is hurting conversions, your brand needs more than a theme can give, or you're growing into new markets. If you're just launching with a small catalog, a well-tuned theme is fine.
How we approach it
We start with a speed audit of your current store, then plan the stack: Shopify as the engine, a SvelteKit storefront, and Sanity for content where it helps. One design engineer takes it from design to code, so nothing gets lost in a hand-off.
At launch we map every URL and set up redirects so rankings move up, not down. Then we compare speed and conversion before and after, so you can see what the switch is worth.