VTEX FastStore
VTEX's official composable stack. Next.js, GraphQL, SSG/ISR, native integration with VTEX APIs.
Headless Commerce
High-performance storefrontsbuilt to convert
Decoupled frontend, modern rendering, technical SEO, and UX matching the world's best stores. We implement headless storefronts with VTEX FastStore, Shopify Hydrogen, Salesforce Composable, and Next.js Commerce on any API-first engine.
- Storefronts in Next.js, Remix, Astro, and Hydrogen
- VTEX FastStore, Shopify Hydrogen, Salesforce Composable
- SSG/ISR for LCP below 1.5s
- PWA with offline-first and native installation
- State-of-the-art technical SEO (Core Web Vitals + structured data)
- Independent deploys via Vercel, Netlify, or Cloudflare
<1.5s
Average LCP
95+
PageSpeed score
+40%
Conversion rate
99.99%
Storefront uptime
How it works
The four layers of a headless stack
Understanding the separation is the first step. Each layer evolves independently, with clear responsibilities.
Frontend (head)
React/Next app running at edge, consuming APIs. Fully customizable visually.
API Layer
REST/GraphQL from platform (VTEX, Shopify, SFCC). Stable and versioned contract.
Commerce engine
Catalog, orders, inventory, promotions, payments. Remains the brain of commerce.
Edge infrastructure
CDN + SSG/ISR + caching across 300+ global PoPs. Millisecond latency anywhere.
Comparison
Full-stack vs Headless
Dimension
Full-stack
Headless
Performance (LCP)
2.5 - 4s
< 1.5s
Visual customization
Theme-limited
100% free
Technical SEO
Theme-dependent
State-of-the-art
Learning curve
Low
Medium/High
Omnichannel (app/POS)
Restricted
Native
Independent deploy
No
Yes
Supported frameworks
We choose the right framework for your context
Shopify Hydrogen
Remix framework + Oxygen hosting. Ideal for Shopify Plus brands wanting custom storefronts.
Salesforce Composable Storefront
Salesforce Commerce Cloud official reference architecture (formerly PWA Kit). React + SCAPI.
Next.js Commerce
Vercel's open-source commerce template. Flexible, runs on any headless engine.
Remix
Full-stack framework focused on web fundamentals. Excellent DX and progressive performance.
Astro
Multi-framework with islands architecture. Minimal JavaScript shipped to client — ideal for content and lightweight commerce.
Core Web Vitals
Average performance gains in CCX projects
LCP
Largest Contentful Paint
3.2s1.1s
FID / INP
User interaction
280ms40ms
CLS
Visual stability
0.250.02
CCX Projects
Headless scenarios we've delivered
Multi-brand fashion
Fashion group with 3 brands migrated from monolithic CMS to FastStore. LCP dropped from 3.8s to 1.2s, conversion increased 32%.
Direct-to-consumer beauty
DNVB brand switched from standard storefront to Next.js headless with Shopify integration. Accelerated landing page deploys from 2 days to 2 hours.
Food retail
Regional chain implemented headless PWA with VTEX checkout. Installable app with 92% of orders on mobile and offline-first for low-connectivity zones.
In-depth analysis
Why headless became the default in modern commerce
A decade ago, having a ready-made storefront from the platform was an advantage: less code, lower cost, faster time-to-market. Today, with Core Web Vitals being a Google ranking factor, mobile representing 70%+ of traffic, and visual competition growing increasingly sophisticated, the game has changed. Native platform storefronts rarely deliver LCP below 2s without heavy customization — and customization in the monolithic world is expensive, slow, and fragile. Headless is the natural answer: the frontend team works in modern stack (Next.js, Remix, Hydrogen) and the commerce engine keeps doing what it does well (catalog, orders, payments).
Real trade-offs of adopting headless
Headless is no free lunch. The team must master modern frontend — Next.js, SSR/SSG, ISR, edge caching, streaming, suspense. API contracts need governance and versioning. Initial cost rises (development + infrastructure). And some ready-made platform features (like visual editor or native preview) disappear, replaced by headless CMS or custom solutions. CCX Company honestly evaluates whether the client has the maturity to reap the rewards. When they do, the upside is substantial: performance, SEO, agility, and world-class experience. When they don't, an optimized native storefront may be the prudent path.
SEO and performance first
A well-implemented headless storefront is a powerful SEO weapon. Next.js and FastStore natively support SSG/ISR, allowing generation of thousands of product and category pages with HTML ready on the server. Images are served via next/image with AVIF/WebP and lazy loading. Metadata is dynamic, schema.org is everywhere, structured data appears in SERPs. Result: green Core Web Vitals, better organic ranking, and higher conversion rate. CCX instruments RUM metrics (real user monitoring) via Vercel Speed Insights or Datadog to track real behavior, not just labs.
Continuous operation and product evolution
Migrating to headless isn't go-live and done. The storefront becomes a continuous product, with dedicated squad, discovery cycles, A/B testing, funnel optimization, and new components emerging each sprint. CCX Company offers post-go-live operation models covering both evolution and incident response. PWA, offline, experiments, personalization, recommendation, and AI become naturally easier to implement in this stack — and become a competitive edge that the monolithic storefront competitor takes months to replicate.
FAQ
Frequently asked questions
O que é headless commerce?
Headless commerce é um modelo arquitetural onde o frontend (storefront) é completamente desacoplado do backend de commerce. O storefront consome APIs para exibir catálogo, carrinho, busca e checkout, permitindo escolher tecnologias modernas (Next.js, React, Vue) sem depender das telas nativas da plataforma.
Qual a vantagem de adotar headless?
Performance superior em Core Web Vitals, flexibilidade visual total, reuso da mesma camada de APIs para web, app mobile, PWA e POS, ciclos de deploy independentes do backend, e capacidade de experimentar e otimizar UX sem tocar no core de commerce.
Headless é o mesmo que composable commerce?
Não. Headless separa frontend de backend. Composable vai além: fragmenta o backend em múltiplos serviços. Um site pode ser headless mas com backend monolítico (VTEX tradicional + Next.js custom), ou pode ser headless e composable (VTEX FastStore + Algolia + Contentful + Stripe).
VTEX FastStore é headless?
Sim. FastStore é o framework oficial headless/composable da VTEX, baseado em Next.js, otimizado para Core Web Vitals, com suporte nativo a SSG/ISR e integração direta com as APIs VTEX. É a evolução natural para marcas VTEX que querem alta performance.
Posso usar Shopify Hydrogen no Brasil?
Sim. Hydrogen é o framework headless oficial do Shopify (baseado em Remix) e funciona normalmente com Shopify Plus no Brasil. A CCX já implementa Hydrogen em lojas BR integradas com meios de pagamento locais, NF-e e ERPs.
Quanto demora um projeto headless?
Projetos typicos vão de 3 a 6 meses. MVPs focados em PDP + PLP + Home podem sair em 8-10 semanas. Escopos full com catálogo complexo, múltiplas marcas, B2B ou integrações pesadas costumam ultrapassar 6 meses.
SEO não piora em storefront headless?
Ao contrário: bem implementado, SEO melhora. Next.js/FastStore usam SSG/ISR para entregar HTML pré-renderizado, metadata rica, structured data e Core Web Vitals de primeira linha. Os principais sites de commerce do mundo hoje são headless.
Preciso refazer o ERP/SAP para migrar para headless?
Não. Headless afeta o storefront e a camada de commerce. As integrações com ERP, WMS, TMS e sistemas fiscais continuam inalteradas — trocamos apenas a camada visual e, às vezes, parte da orquestração de pedido.
Let's talk
Ready for a headlessstorefront?
Free technical diagnostic in up to two sessions. We walk away with architecture, framework choice, delivery roadmap, and estimated Core Web Vitals gains.
+55 (11) 2427-6839 • [email protected]