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Migration Services
Sitecore MigrationDrupal MigrationTYPO3 MigrationAEM MigrationKentico MigrationJoomla Migration

Migration de CMS Legacy vers Next.js

Échappez à Sitecore, TYPO3, Drupal, Joomla et AEM

0%
SEO Loss
Full URL parity + redirects
3–5×
Faster Load Times
vs. legacy CMS
60%
Lower Hosting Cost
Typical annual savings
12+
Platforms Migrated
Enterprise-grade experience
What Is a Legacy CMS Migration to Next.js?

A legacy CMS migration means replacing platforms like Sitecore, TYPO3, Drupal, Joomla, Kentico, or Adobe Experience Manager with a Next.js frontend backed by a headless CMS. Your content, URLs, metadata, and integrations stay intact — what changes is the rendering layer, which moves to React-based static and server-side generation. The result is a site that's faster, more secure, and one your developers actually want to work on.

Où les projets échouent

Sitecore, AEM, and Kentico licensing alone can run six figures a year That's money going to a vendor, not to building anything.
Legacy monolithic renderers routinely push page load times past 4 seconds Core Web Vitals tank, and organic traffic follows — quarter after quarter.
When your CMS version hits end-of-life, security patches stop coming A single unpatched vulnerability can expose customer data and land you in a compliance nightmare.
Try hiring a TYPO3 or Kentico specialist right now It's a small talent pool, and it's shrinking. Maintenance drags, features take forever, and when someone quits, they take years of institutional knowledge with them.
Every content change becomes an engineering task — a deploy cycle, a cache purge, a ticket in a queue Marketing teams can't move fast when they're waiting on developers to publish a banner.
And while you're stuck in that monolith, competitors are already shipping personalization, A/B testing, and composable features Modern APIs and microservices are off the table when your architecture can't accommodate them.

Conformité

Full URL & Redirect Mapping

Every existing URL gets audited, mapped, and covered with 301 redirects. No orphaned pages, no broken backlinks, no traffic falling into a void.

Content Schema Migration

We pull content models out of your legacy CMS and restructure them into a clean headless schema. Relationships, taxonomies, and metadata all come with them.

SEO Equity Preservation

Meta tags, structured data, canonical URLs, sitemaps, internal linking — all rebuilt to match what you had, validated with crawl diffs before and after launch.

Security Hardening

Ditching a server-side CMS shrinks your attack surface considerably. Static pages served from an edge CDN eliminate entire categories of vulnerabilities. API routes get authentication and rate limiting from day one.

Performance Optimization

ISR, static generation, and edge caching get you to sub-second load times. Images run through next/image automatically — modern formats, right sizing, no manual work.

Access Control & Auth

Your existing auth flows and role-based access controls move to modern identity providers. SSO, SAML, OAuth2 — all supported.

Ce que nous construisons

Automated Content Extraction

Custom scripts handle the content extraction. Assets, metadata, database records — none of it requires manual copy-paste.

Headless CMS Integration

We connect Sanity, Contentful, Storyblok, or whatever headless CMS fits your team, with type-safe content models throughout.

Incremental Static Regeneration

Editors can publish instantly without triggering a full redeploy. ISR rebuilds pages on demand — static-site speed, without the static-site publishing headaches.

Component Library Buildout

Every legacy template gets rebuilt as a reusable React component, documented in Storybook, with design system tokens baked in.

Third-Party Integration Rewiring

Analytics, CRMs, marketing automation, e-commerce — everything reconnects through modern API layers. Nothing gets quietly dropped.

Parallel Running & Validation

We run both sites in parallel before cutover, comparing rendered output, SEO signals, and functionality side by side. You don't go live until parity is confirmed.

Notre processus

01

Platform Audit & URL Inventory

We crawl your existing site and document every URL, content type, integration, and custom module. You get a migration scope document with a real risk assessment before we write a line of code.
Week 1–2
02

Architecture & CMS Selection

Then we design the Next.js architecture, pick the headless CMS, define the content schemas, and map out the redirect strategy. Every technical decision is documented and signed off before anything gets built.
Week 2–3
03

Content Migration & Frontend Build

Content extraction runs via automated scripts while the engineering team builds the component library, page templates, and API integrations in parallel — no waiting on sequential handoffs.
Week 3–8
04

QA, SEO Validation & Parallel Run

Before cutover, we run visual regression tests, crawl comparisons, Lighthouse audits, and stakeholder UAT. Both sites run simultaneously so you can see the parity yourself.
Week 8–10
05

Launch & Decommission

Then DNS cuts over to the Vercel edge network, the legacy CMS gets decommissioned, and we spend 30 days on post-launch monitoring, redirect validation, and performance tuning.
Week 10–12
Next.jsSupabaseVercelSanityContentfulStoryblokPostgreSQLNode.js

Questions fréquentes

Vais-je perdre mes classements SEO en migrant de Sitecore ou Drupal vers Next.js ?

Non, si la migration est gérée correctement. Nous effectuons un inventaire complet des URLs, une cartographie 1:1 des redirections, préservons toutes les balises meta et les données structurées, et exécutons des comparaisons de crawl avant et après le lancement. La plupart de nos clients observent une amélioration des classements dans les 8 semaines — les scores Core Web Vitals plus rapides ont un effet réel et mesurable sur la performance organique.

Combien de temps prend une migration de CMS legacy vers Next.js ?

Les migrations classiques s'étalent sur 8 à 12 semaines pour les sites de moins de 2 000 pages. Les sites d'entreprise plus importants avec des intégrations complexes, du contenu multilingue ou des modules fortement personnalisés peuvent prendre 12 à 20 semaines. Nous définissons le périmètre de chaque projet individuellement et figeons un calendrier fixe au démarrage — pas de mouvements de cibles.

Qu'advient-il du workflow de mes éditeurs de contenu après la migration ?

Les éditeurs accèdent à un CMS headless moderne — Sanity ou Contentful sont des choix courants — avec prévisualisation en direct, édition visuelle et modèles de contenu structurés. Honnêtement, la plupart des équipes trouvent que c'est plus rapide que ce qu'elles avaient. Nous animons des sessions de formation et compilons une documentation rédigée spécifiquement pour votre équipe de contenu, pas des guides génériques.

Puis-je migrer depuis TYPO3 ou Kentico s'ils utilisent des extensions personnalisées ?

Oui. Chaque extension, plugin et module personnalisé est audité pendant la phase de découverte. La fonctionnalité est reconstruite sous forme de routes API Next.js, de fonctions serverless ou d'intégrations SaaS tierces — selon ce qui convient le mieux. Tout est documenté, y compris ce qu'il remplace et pourquoi.

Combien d'économies réaliserai-je sur l'hébergement après migration depuis AEM ou Sitecore ?

La plupart des clients d'entreprise réduisent les coûts d'hébergement et d'infrastructure de 50 à 80 %. Sitecore et AEM nécessitent des serveurs dédiés, des runtimes Java et des licences coûteuses par-dessus. Next.js sur Vercel fonctionne sur une infrastructure edge avec tarification à l'usage — généralement 500 à 2 000 $/mois, comparé aux factures à cinq ou six chiffres que génère généralement l'hébergement legacy.

Gérez-vous les migrations de sites multilingues et multi-régions ?

Oui. Nous migrons les configurations i18n, les balises hreflang, le contenu spécifique à la région et les structures d'URLs régionales. Next.js dispose d'un routage d'internationalisation intégré — nous le configurons pour correspondre ou améliorer votre configuration multilingue existante, y compris la détection des locales et la gestion des fallbacks.

Legacy CMS Migration from $12,000
Fixed-fee. Includes content migration, redirects, and 30-day post-launch support.
See all packages →
Next.js DevelopmentCore Web Vitals OptimizationWordPress to Next.js Migration

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