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Web development

Websites built to load fast and stay fast

We write the front end by hand in Next.js and React. No drag-and-drop builder stacking twelve nested divs and 400KB of JavaScript to render a heading. The result loads in under two seconds on a mid-range phone and keeps doing it two years later.

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Web Development
web development services

0.0s

Median LCP

Across sites we launched last year.

0

Lighthouse, mobile

Median performance score at handover.

6–10

Weeks, typical

Design-complete to live.

The short version

Web development that a search engine and a human both like

Most slow websites aren't slow because of hosting. They're slow because a page builder shipped every layout option the plugin author could imagine, and your homepage now downloads a carousel library it never uses.

We build with Next.js, TypeScript, and Tailwind. Pages are statically generated where they can be and server-rendered where they need to be, which means Google gets fully-formed HTML on the first request instead of an empty shell waiting for JavaScript. Images go through the optimiser. Fonts self-host. Third-party scripts get audited before they're allowed in.

The part clients notice most is what happens after launch: you can edit content without breaking the layout, and a new page takes an afternoon rather than a rebuild. That's what a component-based build buys you.

What you end up with
  • Lighthouse performance in the 90s on mobile, measured on throttled 4G rather than your office wifi
  • Semantic HTML with a real heading order — the foundation everything else in SEO sits on
  • Keyboard-navigable, screen-reader-tested, WCAG 2.1 AA contrast
  • Type-safe codebase another developer can pick up without an archaeology dig
Scope

What we build

Hand-coded front end

Next.js App Router, React, TypeScript, Tailwind. Every component typed, every prop documented. No builder plugins in the render path.

Core Web Vitals work

LCP, CLS, and INP measured on a throttled mid-range device before we call anything done. Font loading, image sizing, and layout reservation handled up front.

Technical SEO foundation

Server-rendered HTML, clean canonicals, JSON-LD structured data, generated sitemap, per-page meta and Open Graph cards.

Accessibility pass

Semantic landmarks, visible focus, labelled forms, reduced-motion support, and a keyboard-only walkthrough of every interactive element.

CMS integration

Content modelled so your team edits text and images without touching layout. Sanity, Payload, or headless WordPress depending on what you already run.

Deployment and CI

Preview URL for every branch, production deploys on merge, automatic rollback. You get a staging link to review before anything goes live.

How it runs

How a build runs

  1. 01

    Technical scope

    We turn the design into a component inventory and a data model, then flag anything that'll be harder than it looks.

  2. 02

    Foundation

    Repo, design tokens, layout shell, CMS schema, and CI pipeline. Unglamorous week, but it's what keeps weeks three through six quick.

  3. 03

    Build

    Templates and pages, shipped to a preview URL as they finish. You review continuously instead of waiting for one big reveal.

  4. 04

    Hardening

    Performance budget, accessibility audit, cross-browser checks, and a real-device pass on iOS and Android.

  5. 05

    Launch

    DNS, redirect map from the old URLs, analytics, Search Console, and a monitored first week.

Tools

What we build it with

Picked per project, not per fashion cycle. Here's the usual shortlist and why each one is on it.

Next.js
App Router, static and server rendering per route
TypeScript
Typed end to end, including CMS content
Tailwind CSS
Token-driven styling, no runaway stylesheet
React
Component model your team can extend
Sanity / Payload
Headless CMS with structured content
Vercel
Edge delivery, preview deploys, instant rollback
Playwright
End-to-end tests on the paths that matter
Resend
Transactional email that reaches the inbox
Investment

What it costs

Fixed price against a defined scope. If a brief isn't specific enough to price properly, we'll say so instead of padding it.

Marketing site

A content site with a CMS, forms, and blog.

From $399

Timeline
1 week
Best for
Service businesses, agencies
  • Up to 10 templates
  • Headless CMS setup
  • Contact and lead forms
  • Technical SEO foundation
  • Analytics and Search Console
  • Ecommerce
  • User accounts
Scope a marketing site build
Most chosen

Growth site

More templates, more integrations, more moving parts.

From $899

Timeline
1-2 weeks
Best for
SaaS, funded startups
  • Unlimited templates in scope
  • CRM and marketing automation hooks
  • Multi-language or multi-region
  • Search, filtering, and gated content
  • Playwright test suite
  • 90 days of post-launch support
Scope a growth site build

Application

Authenticated product work rather than a brochure.

From $1999

Timeline
3 weeks
Best for
Platforms, internal tools
  • User accounts and permissions
  • Custom API and database design
  • Third-party system integration
  • Staging and QA environments
  • Documented handover to your team
Scope a application build

Fixed price against a fixed scope. If scope changes mid-build we quote the change before doing it — no surprise line items at the end.

Proof

Web Development in practice

Real projects, with the numbers and the parts that took longer than planned.

All case studies
They spent the first week sitting with our analysts instead of with me, which I'll admit I questioned at the time. It's where they found a timezone bug that was causing half the manual work. The dashboard saves us about nine hours a week and our clients log in themselves now.
Omar SheikhFounder, SaaS Analytics
Sectors

Where we've done this before

Industry context changes the brief. These are the ones whose pitfalls we already know.

SaaS & StartupsProfessional ServicesEcommerce & Retail
Pairs well with

Services that usually run alongside this one

00

Web Design

Custom website design that looks like your business and reads like a person wrote it.

See what's included
01

Custom Development

Web applications, dashboards, portals, and the integrations that hold your tools together.

See what's included
02

Speed & Core Web Vitals

Core Web Vitals work with a measured before and after, not a plugin and a promise.

See what's included
Further reading

How we think about this

Written by the people who do the work.

Development10 min read

Next.js App Router: Practices That Hold Up in Production

Server components, caching, data fetching, and the four mistakes we've made on real App Router projects so you don't have to repeat them.

Read it
Development11 min read

Core Web Vitals: What Actually Fixes Each Metric

LCP, CLS, and INP explained by cause rather than definition — and the specific fixes that moved each one on real sites, in the order we try them.

Read it
Development10 min read

WordPress vs Webflow vs Next.js: How We Actually Choose

No winner. Three honest profiles, the cost of each over three years, and the specific questions that decide it.

Read it
Questions

The things people ask before we start

For content-heavy marketing sites where speed and search visibility matter, Next.js wins on both. But it's not automatic — if your team needs to build new page layouts themselves without a developer, WordPress or Shopify is often the better call. We'll tell you which one fits on the first call rather than selling you the stack we prefer.

Next step

Let's talk about web development

Tell us what the site needs to do. You'll get a straight answer on scope, timeline and cost — usually inside one working day.

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Rather write first?hello@quesiono.com— we reply within one business day.