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Website & Web App Development

Websites engineered to ship and convert.

We design and build custom, lightning-fast sites on Next.js — component by component, with 95+ Lighthouse scores baked in. Real engineering, not a recycled template.

95+
Lighthouse
100%
Code you own
400+
Sites shipped
adnexusglobal.com
Hero.tsx
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Compiling…
Component-driven

We assemble your site from real components

No drag-and-drop bloat. Every section is an engineered, reusable React component — so your site stays fast, consistent and easy to grow.

  1. 01Navigation

    Sticky header + responsive menu

  2. 02Hero section

    Headline, CTA & visual

  3. 03Feature grid

    Reusable content blocks

  4. 04Social proof

    Logos, stats & testimonials

  5. 05Conversion CTA

    Forms wired to your CRM

Get started →
Try it yourself

One build, pixel-perfect everywhere

Toggle a device to watch the same site re-flow flawlessly — and peek at the responsive code behind it. Zero layout shift on any screen.

Desktop · 1280px viewport

0.0

Cumulative layout shift

100%

Responsive coverage

Mobile-first

Design approach

A modern, proven stack

Built on the tools the best teams ship with

We don't chase trends. We build on a battle-tested, future-proof foundation that stays fast, secure and easy to maintain for years.

Our core

Next.js & React

Server-rendered, instantly-fast pages with the flexibility of React. It powers Notion, OpenAI and TikTok — and it'll power your site with the same speed and SEO advantage.

$ next build

✓ Compiled successfully in 1.2s

✓ Generating static pages (24/24)

○ Route / · 12.1 kB · First Load 84 kB

Edge performance

Served from a global edge network with image optimization and caching, so your site loads in milliseconds — wherever your customers are.

TypeScript

Type-safe code that catches bugs before your users do.

Tailwind CSS

A consistent, on-brand design system with zero CSS bloat.

Headless CMS

Edit content yourself — no developer, no downtime.

SEO foundations

Semantic HTML, structured data, sitemaps & metadata from day one.

Mobile-first

Designed for the smallest screen first, then scaled up flawlessly.

Secure by default

HTTPS, headers and best-practice hardening on every deploy.

The build pipeline

Watch your site build, stage by stage

A transparent, repeatable workflow you can follow the whole way — every stage runs in the open, with something to review at each step instead of a black-box reveal at the end.

build — zsh
main
01$ npx ship init --designWeek 1

Design & prototypeWe map your goals into a custom design system and an interactive prototype you can click through before a single line of code.

done·prototype.fig ready
02$ ship build --componentsWeeks 1–3

Build in componentsEngineers assemble your site from reusable, type-safe React components — committed daily so you can watch it take shape.

done·42 components compiled
03$ ship test --a11y --lighthouseWeek 3

Test & optimizeCross-device QA, accessibility checks and Lighthouse tuning until performance, SEO and polish are all in the green.

done·0 failing · scores green
04$ ship deploy --prodLaunch +

Deploy & supportOne-click deploys to a global edge, with monitoring, analytics and a team on call to keep it fast and growing.

done·live on the edge
building production bundle… deployed

Audited, every launch

95+

Lighthouse score

+212%

Avg. lead lift

1.2s

Typical load time

100%

Code you own

By the numbers

The results that make Website Development worth it

+212%Avg. lead lift

Designed to convert, not just impress

Every section is built around a clear next step, so visitors become leads instead of bouncing.

95+Lighthouse score

Blazing fast, everywhere

Sub-second loads on mobile with Core Web Vitals in the green — Google and your users both reward it.

100%Code ownership

Yours to own and grow

Clean, documented, CMS-ready code you fully own — never locked into a proprietary builder.

2–6 wksTypical delivery

Launch in weeks, not months

A proven process and senior team get you live fast, without cutting corners.

Pricing

Simple, transparent pricing

Clear scope, fixed quotes, no hidden fees. Pick a starting point — we tailor the exact plan to your goals on a free call.

Landing

$1,500one-time

A single high-converting landing page for founders validating an idea or running a focused campaign.

  • Custom-designed one-page site
  • Mobile-first & fully responsive
  • Built-in lead capture form
  • SEO foundations & fast load times
Most popular

Business Site

$4,500one-time

A complete multi-page marketing site for established businesses ready to look like a market leader.

  • Everything in Landing, plus…
  • Bespoke multi-page design system
  • CMS-ready pages, blog & case studies
  • Structured data, sitemaps & metadata
  • Analytics & CRM integrations
  • 95+ Lighthouse score guaranteed

Custom Web App

Custom

A bespoke Next.js application for teams needing custom functionality, dashboards or integrations.

  • Everything in Business Site, plus…
  • Custom Next.js + React engineering
  • User auth, dashboards & workflows
  • Third-party API & system integrations
  • Scalable server-rendered architecture
  • 100% code ownership, no lock-in

Every plan includes senior specialists, transparent reporting and no long-term lock-in. Need something custom? Talk to us.

~/website-faq

Read the docs before you build

Open a question on the left to read the answer in the panel — straight talk on cost, timelines and ownership.

how-much-does-a-custom.md
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// How much does a custom website cost?

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Most marketing sites start at $1,500 and scale with page count, custom design and functionality. After a free consultation you'll get a transparent, fixed quote — no hidden fees.

answered · 1/5
Keep exploring

Services that pair well with Website Development

Most clients combine a few of these into one coordinated program — more effective together than run apart by separate vendors.

Free design & build consultation

Let's ship a website that works as hard as you do.

Tell us about your project and we'll map a clear plan, timeline and fixed quote — plus a quick audit of your current site. No obligation, no jargon.