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.
Planning a Move to Next.js
If the first question is how to move a legacy platform or older front end to Next.js safely, start with the architecture, route, content, and release decisions that decide whether the move holds up.
Plan a Next.js migration from React, WordPress, Gatsby, Drupal, Shopify, or another legacy front end without putting routes, content, or search visibility at risk.
Short Answer
A Next.js migration can become risky when the visible front end changes before the unglamorous details are protected: URL inventory, redirect mapping, canonical mapping, metadata and content parity, internal links, analytics, preview workflows, and search visibility. The right plan depends on what you are leaving, why it became hard to maintain, and how much launch risk the business can tolerate.
Why It Matters
During a Next.js migration, I help commercial and delivery teams keep search visibility, editorial continuity, and release confidence intact while routes, templates, metadata, and publishing workflows change underneath.
Common Situations
- Replacing a legacy SPA, CMS front end, or hard‑to‑maintain site with Next.js.
- Modernising an existing Next.js codebase to newer routing patterns.
- Preserving URLs, content operations, and search visibility during migration.
Choose the source platform or migration shape that is closest to the current estate.
What I Look at First
The migration audit covers current routes, target routes, URL inventory, redirects, canonicals, metadata, content parity, rendered HTML, internal links, sitemap and robots setup, structured data, analytics, Search Console baselines, CMS dependencies, release sequencing, and the routes carrying the most launch risk.
What Usually Changes
- URL, route, template, content, and publishing dependencies are mapped before the platform changes.
- Redirect, canonical, metadata, schema, sitemap, and crawl risks are identified before launch.
- CMS, preview, build, and deployment behaviour are compared across the old and new stack.
- Launch actions are prioritised by visibility, revenue exposure, and delivery risk.
- The team has a migration plan that reduces avoidable search and release damage.
How This Usually Works
Embedded Delivery Support
Senior hands‑on 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.
Fractional Technical Leadership
Ongoing senior technical cover for architecture, roadmap, supplier review, delivery risk, hiring shape, and platform‑ownership decisions when the team is not ready to hire permanently.
This May Not Be the Right Fit If
- You already have a tested route, redirect, content, and release plan and only need extra hands to execute it without challenge. If the plan still needs senior delivery judgement inside the team, Embedded Technical Leadership may be a better fit.
- The migration is expected to ignore search visibility, preview trust, content operations, or release risk until after launch. If search visibility is already the main problem, Technical SEO Recovery and Debugging is the better route.
Related Case Studies and Project Work
More Specific Service Pages
React SPA to Next.js Migration
Move a React SPA to Next.js before client‑rendered routes keep important pages out of search and start capping performance or delivery speed.
WordPress to Next.js Migration
Move a WordPress‑led front end to Next.js when speed, scale, and maintainability all need to improve without losing URLs, preview trust, or editorial continuity.
Gatsby to Next.js Migration
Move off Gatsby before slow builds, brittle plugins, awkward content updates, and preview constraints start blocking delivery and platform maintenance.
Contentful to Sanity Migration
Move a Contentful‑backed Gatsby or Next.js site to Sanity without losing content structure, preview confidence, metadata, redirects, or editorial continuity.
Shopify to Next.js Headless Commerce
Move beyond a Shopify theme when storefront performance, design flexibility, or content control are now holding commerce back across key product journeys.
Drupal to Next.js Migration
Move a Drupal‑led estate to Next.js without losing aliases, preview behaviour, SEO continuity, or operational confidence on content‑heavy routes during migration.
Pages Router to App Router Migration
Move a mature Next.js codebase to the App Router without turning caching, rendering, middleware, or rollout changes into launch risk.
Related Services
Technical SEO for JavaScript Applications
Engineering‑led SEO work for JavaScript sites where rendering, crawlability, metadata, or migration changes are keeping important pages out of search.
Headless Architecture Consulting
Headless CMS architecture advice for decisions around preview trust, SEO controls, revalidation, and editorial workflow before they become operational pain.
Next.js Platform Consulting
Senior Next.js architecture work for legacy platforms, difficult migrations, and live stacks that need clearer delivery direction before more work piles on.
Performance Optimisation and Core Web Vitals
Performance work for modern front ends where page loads feel slow, Core Web Vitals are slipping, or scripting cost is hurting key user journeys.
Related Technical Articles
Next.js vs. Remix: Understanding the Key Differences. Next.js vs. Remix: Understanding the Key Differences
Next.js vs. Remix compared properly, across routing, data loading, mutations, caching, and the architectural trade‑offs teams actually feel in production.
GetStaticProps vs. getServerSideProps in Next.js. getStaticPropsvs.getServerSidePropsin Next.js`GetStaticProps` vs. `getServerSideProps` in Next.js explained with build‑time and request‑time data fetching, trade‑offs, and practical page examples.
Understanding getStaticPaths in Next.js. Understanding
getStaticPathsin Next.js`GetStaticPaths` in Next.js explained with dynamic routes, pre‑rendered paths, fallback behaviour, and how static generation works for slug‑based pages.
Static Generation vs. Server‑Side Rendering in Next.js. Static Generation vs. Server‑Side Rendering in Next.js
Compare static generation and server‑side rendering in Next.js through freshness, request‑time data, performance, SEO, operational cost, and page intent.
Static Site Generators. Static Site Generators
Static site generators trade runtime complexity for build‑time output. This article looks at the benefits, the drawbacks, and where they fit best.
What is a Static Site Generator? What is a Static Site Generator?
Static site generation has continued to grow and grow in popularity. I try and explain what one is, and why it might be suitable to you or your project.
