NEXT IMPACT
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Custom websites and applications

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Three stacks, one right choice

Stack comparison
WordPress API + Next.js frontend

WordPress serves as a content backend via API. Next.js builds the front end independently — blazing fast, React-powered, fully custom design. The two communicate without coupling.

Stack

WordPress (REST / GraphQL) · Next.js · TypeScript · SSG / ISR

Key strengths
  • Core Web Vitals score > 95 / 100
  • SEO-critical: pre-rendered static HTML
  • Security by decoupling — WP not publicly exposed
  • Scalable architecture, CDN-ready
Ideal for
  • High-traffic editorial platforms
  • Sites where performance is a conversion lever
  • Ambitious redesigns with SEO stakes
  • Brands or products requiring bespoke UI
To consider

Higher initial cost — specialized skills required for ongoing maintenance

From €4,000
Discuss this stack
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Pricing

HIGH-PERFORMANCE BROCHURE SITE

on WordPress, bespoke theme

From €2,250
Quick to ship, controlled cost
What kind of project?

Brochure site, institutional site or quick redesign of an aging WordPress.

Technical stack

Monolithic WordPress with a modern custom theme, optimized build, hardened security.

What's included
  • Modern, responsive design
  • 5 key pages
  • WordPress admin training
  • Hardened security
Most popular
HIGH-SPEED WEBSITE

WordPress Headless + Next.js

From €4,000
Front-end performance, optimized conversion
What kind of project?

A site with strong SEO stakes, editorial blog, brand or product where front-end performance is a conversion lever.

Technical stack

Headless WordPress as backend + Next.js as frontend (SSG, ISR, partial hydration).

What's included
  • Custom design
  • Advanced SEO strategy
  • Data migration
  • Strategic support
CUSTOM BUSINESS PLATFORM

dedicated architecture, multisite / high-volume

From €6,500
Scalable architecture, ISR/SSR, multisite
What kind of project?

High-volume platform, multisite, third-party API integrations, business applications or client portals.

Technical stack

Headless WordPress + Next.js App Router (SSG, ISR, SSR), TypeScript, complete CI/CD.

What's included
  • Fully bespoke UI/UX
  • Critical performance (ISR/SSR)
  • Security strengthened by decoupling
  • 12-month priority support
OETH tax advantage

TIH provider: 30% of labor cost deductible from your AGEFIPH contribution.

Simulate my savings
FeatureClassicHeadlessWeb app
DesignEco-designedCustomFully bespoke
Pages included5 key pagesCustomUnlimited
Speed < 1s
Maximum security
Advanced SEO strategy
Data migration
Multisite architecture
Specific API integrations
SupportTrainingStrategicPriority
Maintenance3 months12 months
OETH attestation (TIH)Optimized for OETH deduction
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How I pick your stack

Method & Transparency

Functional scope

Brochure site, blog, e-commerce, business app: each project type has its ideal stack.

Volume & traffic

Under 10k visits/month, optimized monolithic is enough. Above that, headless quickly pays off.

Target scalability

API integrations, multisite, business applications: Next.js is the right tier.

№ 06

Not sure what you need yet?

2-minute diagnostic

Take 2 minutes and get a clear recommendation — no commitment, no technical jargon.

Project diagnostic

Identify in 2 minutes the right path for your project: classic WordPress site, Headless WordPress + Next.js site, custom web app or mobile application.

Expected traffic volume

Do you need custom APIs or integrations?

Existing integrations

Will your users need accounts or a dedicated mobile experience?

Why are you considering modernization?

Diagnostic based on project type, traffic and usage needs.
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Bespoke stack

Web & mobile applications

Marketplace, business tool, simulator or mobile application: a dedicated architecture built for your business logic, with an admin as autonomous as WordPress.

On quote, after scoping
Characteristics
  • Dedicated business logic
  • User accounts
  • Real-time data
  • Geolocation, offline mode, install on home screen
Use cases
  • ·Marketplace or B2B directory
  • ·Internal tool or business platform
  • ·Simulator, calculator, configurator
  • ·Online game, gamification
  • ·Field or mobile application

You stay in control

Just as WordPress lets you manage your site without depending on a developer every day, every application I deliver comes with an autonomous admin interface tailored to your business logic. You manage your content, your data and your users in full autonomy.

Advantages
  • +Fully bespoke, adapted to your business
  • +Maximum performance (Next.js + dedicated database)
  • +Management autonomy comparable to WordPress
  • +No limits imposed by a generic CMS
To consider
  • Larger budget than a WordPress site
  • Ongoing infrastructure maintenance
  • Technical team required for structural changes
OETH benefit applicable

Transverse AGEFIPH deduction

Every Next Impact engagement qualifies for the AGEFIPH deduction (30 % of labor cost) — WordPress site, Headless site, web app or mobile application.

Simulate my savings
Discuss my project
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From brief to go-live

Method · 5 phases
01

Analysis & scoping

Audit of the existing site, discovery call, functional and technical requirements. Specs writing and stack recommendation (Classic / Headless / Web App).

Scoping document + stack recommendation

1 week
02

Design & validation

Wireframes, high-fidelity mockups, brand guidelines if needed. Iterative sign-off before any development begins.

Validated mockups + type guidelines

1–2 weeks
03

Development

Next.js integration or custom WordPress theme, backend configuration, business logic development. Continuous staging deployment for client review.

Functional site in staging environment

3–5 weeks
04

Optimization & testing

Core Web Vitals audit (target > 90), technical SEO, WCAG accessibility, cross-browser and responsive testing. Admin training if required.

Core Web Vitals report + SEO checklist

1 week
05

Go-live & follow-up

Production deployment, DNS migration, regression testing, 301 redirects. Post-launch support included for 30 days.

Live site + credentials delivered + 30-day support

1 week

6 to 10 weeks total, depending on stack and complexity.

Classic: 6 w · Headless: 8 w · Web app: 10 w
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Frequently asked questions

Some answers to the most common questions about our solutions.

01

Will I still be able to edit my own copy?

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02

Is headless more expensive to maintain?

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03

How long does the build take?

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04

Will my WordPress plugins still work?

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