Modern web development services from high-converting marketing sites and headless e-commerce to complex web applications and dashboards. Code Entropy builds fast, accessible, SEO-friendly websites and web apps using React, Next.js, and headless CMS engineered for Core Web Vitals, conversion, and growth. Senior front-end and back-end engineers, one team, one outcome: a web experience that performs.
- Custom website development
- Progressive Web Apps (PWA)
- React & Next.js applications
- SEO & Core Web Vitals
- Headless CMS & e-commerce
- Responsive UI/UX engineering
How We Ship
Web That Converts.
Code Entropy's objective is to ship web experiences that load fast, rank well, and convert. We bring senior full-stack web developers, designers, and SEO engineers into one team so your website and web application earn traffic, hold attention, and turn visitors into customers.
Discovery
We map your audience, search intent, conversion goals, and content model. We define the page architecture, the technical SEO baseline, and the measurable outcomes so design and development push the same KPIs.
Design & Prototype
We design responsive layouts and ship a working prototype in weeks. Real flows on real devices with accessibility, Core Web Vitals, and SEO baked in from the first commit, not bolted on at the end.
Build & Optimize
Senior web engineers build with React, Next.js, and a headless CMS of your choice then deploy on a global edge so your site is fast everywhere. Post-launch we monitor performance, run A/B tests, and tune for conversion.
By thinking on behalf of our clients every day, we anticipate where most websites lose slow pages, weak content models, broken SEO and engineer around those failure modes.
These are the principles that shape our distinctive web culture.
We guide clients through difficult choices: headless vs traditional CMS, static vs server-rendered, monolith vs composable. Our judgment keeps you on the right architecture for the way your business actually grows.
We bake performance, accessibility, and SEO into the build semantic HTML, image optimization, schema markup, and edge caching so your website ranks, loads, and converts on day one.
Hear what our clients say
about our services.
across every build
“Our old site was beautiful and useless. Code Entropy rebuilt it on Next.js, fixed every Core Web Vital, and our organic traffic doubled in four months. The team treats SEO and performance as features, not afterthoughts.”
Sofia Hassan
Head of Growth, SpaceDash
Experience the
next gen of the web.
Tell us about the site, the app, or the conversion problem we should solve. We'll come back with a scoped web development roadmap within one business day.