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UK Services
Zero-Downtime Cutover301 Redirect MappingGDPR Compliant

Agencia de Migración Web UK

Tu CMS está perdiendo tráfico mientras duermes — Aquí está el por qué

99.9%
SEO Retention
Rankings preserved
0s
Downtime
Atomic deploy swaps
95+
Lighthouse Score
Post-migration target
60-day
Monitoring
Post-launch included
What Breaks When You Migrate — And What Actually Gets Fixed

Your site ships 2.8MB of JavaScript before a buyer sees your headline. A headless CMS migration rips out the monolith — WordPress, Drupal, TYPO3, Sitecore — and splits your content layer from the frontend. Your backend becomes an API-driven Supabase or Sanity instance. Your frontend runs Next.js with React Server Components. Pages load in under 800ms. Your hosting bill drops 40–60% the moment you switch to serverless. And when Google's crawler hits your site? It sees clean HTML, structured data, and zero render-blocking scripts. That's the difference between a 92 Core Web Vitals score and a 48. Your rankings stop haemorrhaging the day the migration goes live.

Dónde fallan los proyectos

Legacy CMS platforms routinely score below 50 on Core Web Vitals Google demotes slow sites. Every 100ms of delay costs you 1% in conversions.
WordPress and Drupal push security patches monthly — and they break things Unpatched CMS platforms are the #1 attack vector for UK businesses right now.
Hosting costs keep climbing whenever traffic spikes Monolithic CMS servers can't scale elastically, so you're paying for peak capacity 24 hours a day whether you need it or not.
Content editors end up working around the backend rather than with it That leads to inconsistent content and SEO drift creeping across your pages.
If a previous migration attempt tanked your rankings for months, you already know how badly botched 301 redirects and missing schema markup can hurt organic traffic — sometimes permanently. Botched 301 redirects and missing schema markup can tank organic traffic permanently.
GDPR compliance gets bolted onto a stack that was never designed for it ICO fines go up to £17.5M or 4% of global turnover. A cookie consent plugin won't save you.

Cumplimiento

301 Redirect Mapping

We crawl every URL on your legacy CMS and build a complete redirect map before we touch anything. Canonical tags, hreflang attributes, and structured data all transfer intact.

GDPR Data Audit

We run a full audit of personal data sitting in your current CMS. Supabase Row-Level Security and UK/EU-hosted PostgreSQL handle data isolation and encryption at rest.

Zero-Downtime Deploy

Blue-green deployments via Vercel with atomic swaps keep your old site live until the new stack clears automated health checks. Nothing goes live until it's ready.

Content Schema Transform

WordPress ACF fields, Drupal Paragraphs, TYPO3 Flux elements, Sitecore Helix modules — they all map to clean headless schemas. Nothing gets left behind.

SEO Monitoring Dashboard

We watch your rankings through Google Search Console for 60 days after launch. Automated alerts flag ranking drops, crawl errors, and broken redirects the moment they show up.

Auth & Consent Migration

User accounts move to Supabase Auth with OAuth, Magic Links, and JWT. Consent tracking gets rebuilt with proper GDPR-compliant flows and full audit logs.

Qué construimos

Score below 50 on Core Web Vitals because your CMS ships 3MB of unused JavaScript

Pull 10,000+ WordPress posts, ACF fields, and media into Supabase via WPGraphQL in under 48 hours

Break production every time WordPress or Drupal pushes a security patch

Extract Drupal entities, paragraphs, and JSON:API data into Sanity with full content modelling intact

Pay for peak server capacity 24/7 even when your traffic flatlines at night

Migrate TYPO3 Flux elements and TemplaVoilà templates using custom scripts that preserve your content structure

Watch content editors build workarounds because the backend fights them

Decompose Sitecore Helix modules and export 50,000+ assets without breaking enterprise workflows

Lose 30–60% of organic traffic when botched 301 redirects kill your ranking history

Configure PostgreSQL, Edge Functions, Realtime subscriptions, and Row-Level Security for your data layer

Face ICO fines up to £17.5M because GDPR compliance got bolted onto a non-compliant stack

Deploy Next.js App Router with ISR, React Server Components, and dynamic 301 middleware that locks in your SEO equity

Nuestro proceso

01

Migration Audit

First, we crawl your legacy CMS — every URL, custom field, plugin, and data relationship. You get a migration feasibility report with a risk assessment and redirect map before anything moves.
Week 1-2
02

Architecture & Schema Design

Then we design the architecture. We pick your headless CMS (Sanity, Payload, or Supabase-native), design the content schema, and plan the frontend component structure. Everything gets signed off before a single line of code is written.
Week 2-3
03

Content Extraction & Transform

Data migration comes next. Automated scripts pull content via API or direct database export, clean and transform it, then load it into the new headless backend with validation at every step.
Week 3-5
04

Next.js Build & Integration

The build phase delivers a Next.js 15 frontend with App Router, wired to Supabase Auth, Edge Functions, and your headless CMS — with full 301 redirect middleware already in place.
Week 4-7
05

Zero-Downtime Cutover & Monitoring

Launch runs on Vercel via blue-green deployment. The old site stays live until every health check passes. Then 60 days of post-launch SEO monitoring with weekly reports.
Week 8+
Next.js 15SupabaseVercelSanityPayload CMSPostgreSQLDockerGitHub Actions

Preguntas frecuentes

¿Cuánto tiempo tarda una migración de CMS a Next.js?

La mayoría de migraciones toman 6-10 semanas, dependiendo del número de páginas y la complejidad del CMS. Los sitios WordPress directos con menos de 2.000 páginas se completan en aproximadamente 6 semanas. Las migraciones empresariales de Sitecore o Drupal con módulos personalizados y 50.000+ páginas requieren 12-16 semanas. Cada proyecto comienza con una auditoría de alcance — sin sorpresas.

¿Perderé mis rankings de Google durante la migración?

No. Construimos un mapa completo de redirecciones 301 antes del cambio, preservando cada URL, etiqueta canónica, atributo hreflang y marcado de datos estructurados. Después del lanzamiento, monitoreamos Google Search Console durante 60 días y solucionamos problemas de rastreo dentro de 24 horas. Nuestros clientes retienen el 99,9% del tráfico orgánico.

¿Supabase cumple con GDPR para empresas del Reino Unido?

Sí. Supabase ejecuta PostgreSQL alojado en la UE con encriptación en reposo y en tránsito. Configuramos Row-Level Security para aislamiento de datos, reconstruimos el seguimiento de consentimiento mediante Supabase Auth y nos aseguramos de que todo el procesamiento de datos personales cumpla con UK GDPR e ICO. Tus datos no salen de los centros de datos de la UE.

¿Qué significa migración sin tiempo de inactividad?

Tu sitio existente permanece activo durante toda la construcción. El día del cambio, desplegamos en Vercel usando una implementación azul-verde — el cambio de DNS es atómico e instantáneo. Las comprobaciones de salud automatizadas verifican cada página antes de que el tráfico se mueva a la nueva pila. Los usuarios nunca ven una página de error.

¿Puedes migrar plugins personalizados de WordPress y campos ACF?

Sí. Extraemos Advanced Custom Fields, tipos de contenido personalizados, productos de WooCommerce, envíos de Gravity Forms y datos específicos de plugins a través de WPGraphQL o API REST. La funcionalidad personalizada se reconstruye como componentes Next.js usando Supabase Edge Functions o funciones CMS headless nativas — sin dependencias de plugins transferidas.

¿Cuánto cuesta una migración de sitio web en el Reino Unido?

Las migraciones simples de WordPress comienzan en £10.000 para sitios con menos de 2.000 páginas. Los proyectos de nivel medio de Drupal o TYPO3 con modelos de contenido personalizados suelen oscilar entre £20.000-£40.000. Las migraciones empresariales de Sitecore que implican múltiples sitios, múltiples idiomas y relaciones de datos complejas comienzan en £60.000. Todos los presupuestos son de tarifa fija — sin costos ocultos.

CMS Migration from £10,000
Fixed-fee. 60-day post-launch SEO monitoring included.
See all packages →
Next.js DevelopmentCore Web Vitals OptimizationWordPress to Next.js Migration

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