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Next.js Development Agency

Next.js Website Development — App Router, ISR, edge runtime.

Next.js websites with App Router, hybrid SSR/ISR/SSG, edge runtime and image optimisation — built for 95+ Core Web Vitals at launch and ongoing.

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  • App Router (Server Components, Server Actions)
  • 95+ Core Web Vitals guaranteed at 75p mobile
  • Vercel / Cloudflare / self-hosted — deployment flexible
What is Next.js Website Development?

Next.js Website Development — explained without the jargon.

Next.js is the most productive React framework on the market — and arguably the best React framework, period. App Router (with Server Components and Server Actions) finally solves the SSR / SPA / static dichotomy: choose the right rendering mode per route. We've shipped 30+ Next.js sites since the App Router launched, including replatforms from WordPress, Drupal and legacy Gatsby. Our team includes Vercel-deployed Next.js specialists who've been in the ecosystem since the v9 days.

Why it matters

Three things most teams get wrong about next.js website development.

01

App Router changes everything

Server Components, Server Actions, partial pre-rendering — Next.js 14+ is a different framework. Most agencies are still building the Pages Router way.

02

Performance ceiling is high

Properly built Next.js sites hit 98+ PageSpeed mobile and stay there. Most agency Next builds score 70-85.

03

Edge runtime opens new patterns

Edge functions, geo-routing, personalisation at the edge — only possible on the right Next.js architecture.

What's included

Everything we ship under Next.js Website Development.

01

App Router architecture

Server Components by default, Client Components where interactivity needs it. Proper boundary discipline.

02

Hybrid SSR / ISR / SSG

Each route rendered in the right mode. Marketing pages static, dynamic data ISR, user-specific SSR.

03

Edge runtime functions

Geo-routing, A/B testing, personalisation, auth middleware — at the edge.

04

Image optimisation

`next/image` with AVIF/WebP, responsive sizing, blur placeholders, Cloudflare image transformations where useful.

05

Headless CMS integration

WordPress, Sanity, Strapi, Contentful, Payload — connected via ISR for editor-friendly publish flow.

06

Vercel / Cloudflare / self-hosted

Vercel for fastest deployment + best edge. Cloudflare for cost. Self-hosted via OpenNext for full control.

Our process

How we deliver next.js website development.

A predictable 5-step engagement — no surprises, no scope creep, no theatre.

  1. 1

    Architecture

    Rendering mode per route, caching strategy, edge functions, ISR revalidation.

    Week 1
  2. 2

    Design + components

    Component library, server-vs-client boundaries, design tokens.

    Weeks 2-3
  3. 3

    Engineering

    2-week sprints, App Router-first.

    Weeks 3-9
  4. 4

    Performance tuning

    Core Web Vitals optimisation, image pipeline, font loading.

    Weeks 9-10
  5. 5

    Launch

    Deploy to Vercel / Cloudflare, monitor, observability set-up.

    Week 11
Tools we use

Battle-tested stack.

Next.js 14+ TypeScript Vercel Cloudflare Tailwind CSS Sanity / WordPress (headless) OpenNext Playwright
Industries we serve

Vertical expertise.

SaaS
D2C Ecommerce
Marketing Agencies
B2B Tech
Marketplaces
EdTech
Publishing (headless WP)
FinTech
Next.js Website Development · Case Study

D2C migration: Shopify Liquid → Next.js + Hydrogen, +71% mobile CVR

A D2C beauty brand was stuck on Liquid + 32 apps scoring PageSpeed 38. We replatformed to Hydrogen (Next.js + Shopify backend), App Router architecture with Server Components by default, ISR for product pages, edge runtime for personalisation. Result: PageSpeed 98, mobile CVR +71%, zero rankings lost.

See all case studies
+71%
Mobile CVR
98
PageSpeed
1.2s
LCP
0
Lost rankings
Why Hitman Digital

Four reasons clients choose us for next.js website development.

App Router specialists

Most agencies still build Pages Router-style. We're App Router-first since it shipped stable.

Vercel-deployed expertise

Tight Vercel integration, including ISR revalidation, edge functions, image optimisation.

Performance guarantee

95+ Core Web Vitals at 75p mobile. If we miss, we fix on our time.

Hybrid rendering discipline

We pick the right rendering mode per route — not "everything ISR" or "everything SSR".

FAQ

Questions you were going to ask anyway.

App Router or Pages Router?
App Router for all new projects. Pages Router only for migration projects where moving to App Router isn't cost-justified. App Router gives Server Components, Server Actions, streaming, partial pre-rendering — all features Pages can't match.
Vercel vs Cloudflare vs self-host?
Vercel for fastest deployment, best ISR/edge integration, premium support. Cloudflare for cost (especially at scale) via OpenNext. Self-host on AWS/GCP for full control or compliance reasons. We pick per project.
How do you handle CMS with Next.js?
Headless WordPress, Sanity, Strapi, Contentful, Payload — all connected via ISR so editors publish in their familiar CMS and pages rebuild automatically.
What's the typical cost for Next.js sites?
Marketing sites: $15K-$45K. Ecommerce on Hydrogen: $40K-$120K. Complex SaaS marketing + product surfaces: $80K-$250K+.
Can you migrate from Pages Router to App Router?
Yes — and we've done a dozen of these migrations. Typical timeline 6-12 weeks depending on app complexity. Often paired with broader architecture improvements.
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