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Next.js Development

Next.js applications and websitesthat grow with you

We build modern Next.js websites and applications with emphasis on performance (Core Web Vitals), accessibility (WCAG 2.2 AA), security and maintainable content management.

What You Get

Comprehensive solutions for modern web applications

Speed

SSG/ISR/SSR + Edge, optimized images (AVIF/WebP), fonts, bundling.

Accessibility by default

Components with states (focus/hover/active), keyboard, ARIA.

SEO and internationalization

Metadata API, OG images, sitemap/robots, hreflang (SK/CZ/EN).

Stable operation

CI/CD, monitoring, logging, backups, SLA.

Editor-friendly content

Headless CMS or secure WordPress as source.

When Next.js Makes the Most Sense

We identify the right use cases for your organization

Multiple languages and many content types

News, events, services, organizations and complex content.

  • i18n routing
  • CMS models
  • translations
  • locale-specific content

Focus on performance and SEO

CWV, fast indexing, clean URLs and optimizations.

  • Core Web Vitals
  • Lighthouse
  • SEO audit
  • performance monitoring

Need for application

Forms, dashboards, search, maps, integrations.

  • Server Actions
  • API Routes
  • state management
  • real-time updates

Scaling requirements

Edge (CDN cache, ISR, Region Routes) and growing demands.

  • Edge Runtime
  • ISR
  • CDN
  • horizontal scaling
  • load balancing

Architecture and Technical Foundation

Modern approaches to web application development

App Router & React Server Components

Efficient rendering and data-fetching with latest React features.

  • Server Components
  • Client Components
  • Streaming
  • Suspense

Rendering strategies

SSG/ISR for most pages, SSR/Streaming for dynamics.

  • Static Generation
  • Incremental Static Regeneration
  • Server-Side Rendering

Data fetching

fetch cache, Route Handlers, revalidate-tag; request deduplication.

  • Built-in fetch
  • SWR
  • React Query
  • cache strategies

Edge runtime

Fast responses, geo-routing, middleware (A/B, i18n).

  • Edge Functions
  • Middleware
  • geo-routing
  • A/B testing

Integrations

Extend your application functionality

CMS/Headless

Modern headless CMS solutions for content management.

• Payload
• Strapi
• Sanity
• WordPress (headless/REST)

Search

Fast and relevant search with advanced filters.

• Meilisearch
• Elasticsearch
• lunr
• autocomplete
• faceted filters

Maps/GIS

Interactive maps and geographic information systems.

• Leaflet
• Mapbox
• MapLibre
• WMS/WFS
• MVT

Authentication

Secure user authentication and authorization.

• NextAuth
• OIDC
• SAML
• roles (RBAC)
• audit

Payments & Billing

Secure payment solutions and billing system.

• Stripe
• Comgate
• billing PDF
• webhooks

Email/SMS

Transactional messages and user notifications.

• Templates
• delivery logging
• SMS gateway

Performance and Quality

Optimizations for the best user experience

Core Web Vitals

Measurement and optimization of key performance metrics.

LCP ≤ 2.0s
INP ≤ 200ms
CLS ≤ 0.1

Images

Optimized images with modern formats.

next/image
AVIF/WebP
proper sizes
fetchpriority for LCP

Fonts

Optimized font loading and display.

Subsetting
preload
display: swap
font-size-adjust

Bundling

Efficient code packaging and optimization.

Code-splitting
dynamic import
tree-shaking
dead code elimination

Security and Compliance

Protection of your application and data

HTTP Headers

Security headers for application protection.

  • CSP
  • HSTS
  • Permissions-Policy
  • Referrer-Policy

Protections

Protection against common attacks and vulnerabilities.

  • CSRF
  • rate-limit
  • input sanitization
  • validation (Zod/Valibot)

Secrets & Configuration

Secure management of sensitive information.

  • Encrypted secret-store
  • key rotation
  • environment variables

GDPR

Compliance with European data protection regulations.

  • PII minimization
  • consent
  • log anonymization
  • retention policies

SEO and Content

Optimization for search engines and users

Metadata API

Dynamic metadata for each page.

  • Title/OG/twitter
  • OG images (light/dark variants)
  • canonical URLs

Structured Data

Rich snippets and better display in search engines.

  • Breadcrumb/FAQ/Product JSON-LD
  • Schema.org markup

Internationalization

Support for multiple languages and regions.

  • Locale routing
  • hreflang
  • CMS content translations

Process

Systematic approach to development

Discovery & Design

Requirements analysis and solution design.

  • • Goals
  • • IA
  • • content
  • • integration maps
  • • performance/SEO goals

Design & Prototype

Visual design and interactive prototypes.

  • • Wireframes
  • • UI
  • • components
  • • accessibility testing

Build

Development and solution implementation.

  • • Templates
  • • integrations
  • • tests
  • • performance budgets

UAT & Launch

Testing and production deployment.

  • • QA
  • • CWV/a11y/security
  • • deployment
  • • training

Operations

Application monitoring and maintenance.

  • • Monitoring
  • • improvement roadmap
  • • SLA

Packages and Indicative Prices

Exact price depends on scope, integrations and approval

Next.js Landing Starter

from 3,900 €

Basic package for marketing websites

  • 3-5 sections
  • CMS
  • i18n
  • SEO/OG
  • basic analytics
  • CWV optimizations
Choose Starter
Most Popular

Web App Pro

from 9,900 €

Complex solution for applications

  • Multiple content types
  • search
  • forms
  • auth
  • maps
  • monitoring
  • tests
Choose Pro

Enterprise Headless

from 19,900 €

Enterprise solution for large organizations

  • Multi-language + multi-site
  • integrations (registry/DMS)
  • caching/edge
  • SLA and reporting
Choose Enterprise

All prices are indicative and depend on specific requirements

Frequently Asked Questions

Answers to the most common questions about Next.js development

Ready to start your project?

Let's createsomething great.

Connect with us and together we'll create a strategy that delivers real results for your project.

Fast Results
Targeted Solutions
Measurable Growth
Free consultation
Measurable results
Personal approach
5+ years experience