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Drupal to Next.js Migration for Content‑Heavy, Headless Platforms

Drupal migration risk is shaped by Drupal itself: aliases, content types, taxonomy, media, editorial permissions, workflow, SEO fields, and template behaviour all need to be understood before Next.js takes over route delivery.

Move a Drupalled estate to Next.js without flattening aliases, content types, taxonomies, media, permissions, preview needs, SEO fields, or editorial workflow into generic CMS data.

Short Answer

DrupaltoNext.js migration fails when Drupalshaped operational structure is treated as generic CMS data. If Drupal remains the content source, the Next.js layer has to preserve aliases, content types, taxonomies, media, permissions, workflow, metadata, preview, and SEO fields whilst changing rendering, caching, and route delivery. Drupal itself is not automatically the bottleneck; the frontend and template layer may be the real constraint.

Typical Symptoms

  • The current Drupal front end or theme layer is constraining performance, delivery, or modern interface work.
  • Teams need a React or Next.js experience on top of structured Drupal content without losing aliases, taxonomy, or editorial workflow.
  • Route volume, preview, media, permissions, content type mapping, or SEO field translation is increasing migration risk.

Likely Causes

  • The move has not yet separated Drupal content responsibilities from frontend delivery concerns.
  • Path aliases, content types, taxonomy, media, metadata, permissions, and rendering requirements are more complex than a theme rebuild suggests.
  • The migration needs clearer planning around preview, redirects, SEO fields, editorial workflow, and operational ownership.

What I Look at First

  • Aliases, content types, route volume, taxonomy, media, editorial permissions, preview needs, redirects, SEO fields, and template complexity on commercially important routes.
  • Which Drupal responsibilities remain, which move into Next.js, and which should stay explicitly owned by editors or platform teams.
  • How search output, templates, cache behaviour, sitemap entries, and structured content are handled before the migration.

How I Help Fix This

  • Shape the headless front end around Drupal's content complexity instead of flattening it into brittle templates.
  • Use the Website Replatforming Risk Register to map route, preview, and metadata continuity before implementation begins.
  • Use Drupalspecific checks around aliases, content type mapping, taxonomy, media, and SEO fields before rendered output is compared.
  • Keep delivery decisions aligned as the new front end takes shape.

When to Look at This

  • Before the migration is treated as a frontend refresh and the Drupal operating model gets ignored.
  • When the buyer needs to decide whether Drupal remains the content system, the front end changes, or a wider CMS migration is actually needed.

What Gets Resolved

  • Drupal content types, route aliases, structured data, and publishing dependencies are mapped into the Next.js migration plan.
  • Redirect, canonical, metadata, and sitemap dependencies are mapped before release.
  • Source and target route, template, and content differences are clear.
  • Content and preview risks are separated from framework migration work.
  • Launch actions are prioritised by visibility and delivery risk.

How This Usually Works

  1. Technical Diagnostic

    A focused review of affected routes, templates, deployment behaviour, crawl signals, CMS behaviour, performance bottlenecks, or code paths, followed by a prioritised fix plan the team can take into delivery.

  2. Embedded Delivery Support

    Senior handson support inside an existing team where architecture, implementation, review, and delivery judgement all matter, especially when the work cannot be handed over as isolated tickets.

  3. Fractional Technical Leadership

    Ongoing senior technical cover for architecture, roadmap, supplier review, delivery risk, hiring shape, and platformownership decisions when the team is not ready to hire permanently.

Common Questions

Can Drupal remain part of the content platform?
Yes. In many migrations Drupal remains the structured content source whilst Next.js takes over delivery, performance, and frontend flexibility.
Why is this migration usually harder than it first looks?
Because aliases, content relationships, preview expectations, and metadata handling are often more complex than a theme replacement suggests. Those details usually decide whether the migration feels stable after launch.

Contact me about your migration

A short description of the current platform, target Next.js setup, and main migration risk is enough. I'll read it and suggest the next step.

Related Case Studies and Project Work

  1. Screenshot of the Nando’s website; part of John Kavanagh's selected project work.

    A Complete Migration and Replatform for Nando’s

    On Nando’s, moving from Drupal to Next.js and Vercel meant protecting routes, structured content, and searchcritical templates whilst the platform changed underneath.

    View case study