// Comparativo
deco.cx vs FastStore: Which Headless Frontend to Choose
When choosing a headless frontend for VTEX, two options stand out: deco.cx and FastStore. Both promise superior performance over the traditional Store Framework, but differ radically in philosophy, stack and deployment model. deco.cx was born as a digital experiences platform focused on extreme performance and total flexibility. It runs on Deno with Fresh and Preact, deploys at the edge and delivers TTFB below 100ms in any region of the world. FastStore is VTEX's official bet for the next-generation frontend. It uses React with Next.js, has native integration with the VTEX ecosystem and is hosted by the platform itself. In this comparison, we analyze each technical aspect to help you make the best decision for your operation.
Technical comparison
| Criteria | deco.cx | FastStore |
|---|---|---|
| Performance (TTFB) | Sub-100ms (global edge) | 200-400ms (VTEX server) |
| Developer Experience | Fresh/Deno, instant hot reload, strong typing | Next.js/React, familiar tooling, more boilerplate |
| Flexibility | Total - any API, any backend | Focused on VTEX ecosystem |
| Vendor Lock-in | Low - works with any commerce API | High - coupled to VTEX IO |
| Deploy | Edge (Deno Deploy) - 35+ regions | VTEX infrastructure (centralized) |
| Stack | Deno + Fresh + Preact + Tailwind | Node + Next.js + React + Tailwind |
| Edge Support | Native - every page runs at the edge | Limited - centralized SSR |
| Customization | Unlimited - full code control | Moderate - follows VTEX patterns |
| Ideal for | Operations demanding maximum performance and technical freedom | VTEX stores wanting an upgrade without leaving the ecosystem |
When to choose deco.cx
deco.cx is the right choice when performance is a competitive differentiator. If your operation has international traffic, needs consistent TTFB in any country, or wants total freedom to integrate with any commerce backend, deco.cx delivers this natively. The edge computing model eliminates dependency on centralized servers. Every request is resolved at the nearest point of presence to the user. This translates to Lighthouse scores consistently above 95, lower bounce rates and better organic positioning. For technical teams that value modern DX, the workflow with Deno, Fresh and Preact is extremely productive. Instant hot reload, end-to-end typing and zero bundler configuration. Additionally, deco.cx offers a visual CMS that allows editors to change content without deploys, maintaining the marketing team's iteration speed.
When to choose FastStore
FastStore makes sense when your operation is already deeply integrated into the VTEX ecosystem and the priority is to evolve without disruptions. If your team already masters React and Next.js, the learning curve is minimal. Native integration with VTEX Intelligent Search, Checkout and catalog APIs eliminates the need to manually configure connectors. For stores that need a performance upgrade from Store Framework but don't want to manage separate infrastructure, FastStore offers a safe path. Hosting is managed by VTEX, deploy is automated and support is included in the platform contract. The main limitation is flexibility. You operate within the patterns and components defined by VTEX. Deep customizations require workarounds that may compromise future maintenance.
Verdict
If you seek maximum performance, technical freedom and vendor independence, deco.cx is superior in all these criteria. If you need a safe transition within the VTEX ecosystem with less team effort, FastStore fulfills that role well. There is no universal answer. The choice depends on your operation's stage, your team's technical maturity and how much performance directly impacts your business conversion. At Odus, we implement both solutions and can help you evaluate which makes more sense for your scenario.
FAQ
Does deco.cx only work with VTEX?+
Is FastStore faster than Store Framework?+
Which has lower maintenance cost?+
Can I migrate from FastStore to deco.cx later?+
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