⚡ Next.js & React 🛍️ Headless Commerce 📱 PWA 🚀 Core Web Vitals A+

Web Development

We Build Websites That
Outperform.

Performant, accessible, and stunning digital experiences — from corporate portals to headless e-commerce stores processing millions of daily transactions. Sub-second load times are a baseline, not a goal.

Start Your Project → See What We Build

500+

Sites Delivered

<1s

Load Time Target

100

Lighthouse Score Avg.

12yr

Avg. Dev Experience

What We Build

Full-Spectrum Web Delivery

⚡

JAMstack & Next.js Apps

Lightning-fast React and Next.js applications with SSR, ISR, and edge rendering. SEO-perfect, sub-second FCP, seamlessly integrated with any headless CMS or API.

🛍️

Headless E-Commerce

Shopify Hydrogen, Commerce.js, or custom storefronts with conversion-optimised UX. Handles Black Friday bursts without breaking a sweat — fully tested under load.

📱

Progressive Web Apps

Offline-capable, installable PWAs that rival native apps — with push notifications, background sync, and 100/100 Lighthouse scores across all categories.

🏢

Enterprise Portals

CRM-integrated, role-based access portals for customer self-service, partner management, or internal dashboards — designed to handle thousands of concurrent sessions.

🔗

API & Integrations

RESTful and GraphQL API design, third-party integration (Stripe, Salesforce, HubSpot, SAP, Twilio) — and comprehensive postman + OpenAPI documentation.

♿

Accessibility & Performance

WCAG 2.1 AA compliance audits, automated a11y testing (axe-core), Core Web Vitals optimisation, and performance budgets enforced in every CI pipeline.

Enterprise Architecture

Modern web stacks designed for the 99th percentile.

We don't just build sites; we engineer high-performance web platforms. Using server-driven UI, edge functions, and advanced caching layers, we deliver experiences that load instantly anywhere in the world.

⚡

Edge Rendering

Executing logic at the CDN level closest to your users for <50ms TTFB.

🧠

Headless CMS

Decoupled content from presentation using Sanity, Contentful, or Strapi.

🔒

Zero-Trust Auth

Enterprise SSO, MFA, and JWT-based session management built-in.

📈

SEO Optimized

Dynamic meta tags, structured JSON-LD data, and canonical URL handling.

Web Development and Modern Stack Architecture

CORE WEB VITALS

0.8s

LCP

15ms

FID

0.01

CLS

Our Process

From Concept to Launch

Phase 01

Discovery & UX

Stakeholder interviews, user journey mapping, information architecture, wireframes, and interactive Figma prototypes reviewed and approved before a single line of code.

Phase 02

Build & Integrate

Agile 2-week sprints with weekly demos. Component-driven architecture, automated testing, and CI/CD pipelines for staging and production environments.

Phase 03

Launch & Optimise

Real user monitoring, Core Web Vitals tracking, A/B testing framework, and 3-month post-launch optimisation sprint included with every project.

Why Gleyon Dev

Code You Can Own, Understand & Extend

We write clean, well-documented TypeScript and follow component-based architecture patterns. Your in-house team can extend and maintain the codebase from day one.