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Headless WordPress Migration
wp-admin RetainedLighthouse 95+ISR & Server Components

Headless WordPress avec Frontend Next.js

Votre Équipe Éditoriale Garde wp-admin — Google Voit un Site Sub-Seconde

95+
Lighthouse Score
Performance / Accessibility
43%
Web Runs on WP
Your content stays put
0
Editorial Disruption
Same wp-admin workflow
<1s
Time to Interactive
ISR + edge caching
What Headless WordPress Actually Decouples — And What Stays Put

Your content team logs into wp-admin exactly as they do now. Your developers pull that content through REST or WPGraphQL and render it with Next.js Server Components, cached at 100+ edge locations. The WordPress database, ACF fields, user roles, plugin ecosystem — all untouched. What dies: the PHP theme layer that keeps your Lighthouse mobile score between 40 and 55, the attack surface of wp-login exposed to the public internet, and the single point of failure where one bad plugin update kills editorial access and visitor experience in the same stroke. Incremental Static Regeneration pre-renders pages on-demand and revalidates them in the background, so your traffic spikes hit a CDN, not your origin server.

Où les projets échouent

Lighthouse mobile scores stuck between 40 and 55, even after you've thrown every caching plugin at it Google penalizes slow pages in search rankings, and every 100ms delay eats into your conversions.
PHP themes are a single point of failure One bad plugin update can take everything down at once — editors and visitors lose access together.
Editors like wp-admin Developers hate writing PHP templates. And hiring decent frontend talent gets harder and more expensive every year.
WordPress exposes your entire application stack to the public internet Brute-force attacks on wp-login, XML-RPC exploits, plugin vulnerabilities — they're all live attack surfaces, right now.
Page builders and shortcodes lock your content inside rendering engines that fight performance That content also becomes non-portable — you can't pipe it to a mobile app or any other channel without a fight.
Server-rendered PHP can't keep up with static or ISR delivery at the edge Traffic spikes strain your server, push up hosting costs, and degrade the experience for everyone hitting your site at the same time.

Conformité

WPGraphQL Integration

We wire up WPGraphQL to expose posts, pages, custom post types, ACF fields, and Yoast metadata as efficient GraphQL queries. No over-fetching, no wasted bandwidth.

Incremental Static Regeneration

Pages get statically generated at build time and revalidated in the background on a configurable interval. Visitors always hit a cached edge response while the content stays current behind the scenes.

Draft Preview for Editors

Next.js Draft Mode intercepts preview clicks from wp-admin and renders unpublished content through the production frontend. Editors see exactly what visitors will see — no surprises, no "it looked different in preview."

SEO Metadata Pipeline

Yoast and Rank Math data flows through the API into Next.js generateMetadata. Titles, descriptions, Open Graph tags, canonical URLs, JSON-LD structured data — all handled automatically.

Attack Surface Reduction

Your WordPress instance sits behind a firewall with no public theme rendering. Only the API endpoint is exposed, which cuts out most of the common WordPress exploit vectors.

On-Publish Revalidation

A lightweight webhook fires the moment an editor hits Publish. That triggers on-demand ISR, so updated content goes live in seconds — no full rebuild required.

Ce que nous construisons

Escape Lighthouse mobile scores trapped between 40 and 55 despite every caching plugin you've installed

Ship Lighthouse 95+ on mobile with Server Components that eliminate client-side JavaScript overhead and trim Time to Interactive

Eliminate the single point of failure where one plugin update crashes both your editorial interface and your public site

Serve static and ISR pages from 100+ edge nodes so your site stays live even if the WordPress origin goes down entirely

Stop forcing frontend developers to write PHP templates when React talent is cheaper and easier to hire

Map ACF Pro custom fields and repeater blocks to typed TypeScript interfaces for predictable, compile-time-safe rendering

Close the attack surface of wp-login, XML-RPC, and plugin vulnerabilities exposed to the public internet

Run WordPress media library images through automatic WebP/AVIF conversion, lazy loading, and responsive srcsets via Next.js Image

Break free from page builders and shortcodes that lock your content inside non-portable rendering engines

Generate dynamic XML sitemaps and RSS feeds at build time from your content graph and auto-submit them to Search Console

End the cycle where traffic spikes strain your server, inflate hosting costs, and slow the site for everyone

Expose WPML or Polylang locale data via the API and route it through Next.js i18n with intact hreflang tags for every language

Notre processus

01

WordPress Audit & API Setup

We start with an audit of your existing WordPress instance — plugins, custom post types, ACF fields, SEO configuration. We install WPGraphQL, expose all content types, and lock down the public-facing PHP layer.
Week 1
02

Next.js Frontend Build

Then we scaffold the Next.js app with App Router, map every WordPress template to a React component, and configure ISR with tuned revalidation intervals. Draft Mode preview gets wired up for your editors at this stage.
Weeks 2–3
03

SEO & Performance Tuning

Yoast and Rank Math metadata gets piped into generateMetadata. We optimize images, implement structured data, configure sitemap generation, and keep iterating until every Lighthouse category is clearing 95.
Week 4
04

Editor Training & QA

Your content team then tests the full editorial workflow end to end — draft, preview, publish, revalidate. We work through every edge case: custom fields, scheduled posts, revision history, multi-author workflows.
Week 5
05

Deploy & Monitor

Finally, we deploy to Vercel with production caching, configure on-publish webhooks, set up uptime monitoring for both the WordPress API and the Next.js frontend, and stay on for 30 days of post-launch support.
Week 6
Next.jsWordPressWPGraphQLVercelACF ProYoast SEO APIReact Server Components

Questions fréquentes

Mes éditeurs devront-ils apprendre un nouveau CMS ?

Non. L'expérience wp-admin est identique — même tableau de bord, même éditeur, mêmes interfaces de plugins. Le seul changement visible est que cliquer sur Aperçu passe par le frontend Next.js via Draft Mode au lieu de charger un thème PHP. La plupart des éditeurs ne remarquent même pas, sauf que les aperçus se chargent plus vite.

Mes plugins WordPress existants fonctionnent-ils toujours ?

Les plugins backend comme ACF, Yoast, Gravity Forms et WooCommerce continuent de fonctionner normalement. Les plugins qui injectent du HTML via les hooks PHP — les constructeurs de pages visuels, par exemple — doivent être remplacés par des composants React. Nous audittons chaque plugin pendant la découverte et signalons tout ce qui nécessite une migration avant de toucher une ligne de code.

Comment le WordPress headless gère-t-il le SEO sans thème PHP ?

Yoast et Rank Math exposent toutes les métadonnées SEO via l'API REST et WPGraphQL. Nous tirons les titres, méta-descriptions, tags Open Graph, URLs canoniques et balisage schema dans generateMetadata de Next.js. Le résultat correspond à ce que vous aviez avant — généralement mieux — et vous obtenez des chargements de pages dramatiquement plus rapides en prime, ce qui aide directement les classements.

Quel score Lighthouse puis-je réalistiquement attendre ?

Nous ciblons 95+ en Performance, Accessibilité, Bonnes Pratiques et SEO sur mobile et desktop. WordPress monolithique obtient généralement 40–55 sur mobile. La génération statique, l'ISR, la mise en cache edge et la livraison d'images optimisées poussent constamment ces chiffres au-dessus de 95 en production.

Que se passe-t-il pour mon site si le serveur WordPress tombe en panne ?

Rien que les visiteurs remarqueraient. Next.js sert des pages pré-rendues depuis le cache edge, donc le frontend reste pleinement opérationnel même en cas de panne WordPress. Les éditeurs ne pourront pas publier de nouveau contenu jusqu'à la récupération du backend, mais les visiteurs voient zéro temps d'arrêt. C'est un vrai avantage de résilience par rapport au WordPress monolithique.

Combien de temps prend une migration WordPress headless ?

Un site typique — moins de 200 pages, types de posts personnalisés standards, champs ACF — prend 5–6 semaines du lancement à la production. Les projets plus grands avec WooCommerce, support multilingue ou logique de plugins personnalisés complexe peuvent prendre 8–10 semaines. Nous scopons tout précisément pendant la découverte pour qu'aucune surprise ne vous surprenne en cours de projet.

Headless WordPress Migration from $8,000
Fixed-fee. 30-day post-launch support included.
See all packages →
WordPress to Next.js MigrationNext.js DevelopmentCore Web Vitals OptimizationCore Web Vitals & Jamstack Guide

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