Pages Router to App Router Migration Risk Checklist
A Pages Router to App Router migration checklist for Next.js teams, covering routing, data fetching, caching, metadata, server components, and rollout.
Articles
Front‑End Development, page 3 of 25
Front‑end development is where product intent becomes the interface people actually use. My writing approaches it as engineering rather than surface decoration, with attention to browser behaviour and code that remains accessible, fast, and safe for a team to change.
Pages Router to App Router Migration Risk Checklist. 
Core Web Vitals Got Worse After a Redesign. Core Web Vitals Got Worse After a Redesign
How to isolate Core Web Vitals regressions after a redesign, covering LCP, INP, CLS, templates, scripts, images, fonts, data, and release evidence.
When Production Data Breaks a Next.js Site. When Production Data Breaks a Next.js Site
Why production data breaks Next.js sites, including CMS fields, slugs, images, relations, dates, rich text, generated routes, and validation gaps.
How to Vet a Senior Next.js Developer for a Replatform or Recovery Project. How to Vet a Senior Next.js Developer for a Replatform or Recovery Project
How to vet a senior Next.js developer for replatforming, recovery, SEO, performance, CMS, Vercel, and production debugging work.
Using Angular Signals for Performance Optimisation. Using Angular Signals for Performance Optimisation
Use Angular signals for performance optimisation with derived state, computed values, OnPush, effects, RxJS interop, and measuring whether work improved.
NextAuth Works Locally but Fails in Production. NextAuth Works Locally but Fails in Production
How to debug NextAuth when it works locally but fails in production, covering callback URLs, cookies, secrets, middleware, providers, and Vercel.
Using RxJS for State Management in Angular. Using RxJS for State Management in Angular
Manage Angular state with RxJS Subjects and derived streams, including
combineLatesttiming,AsyncPipecleanup, local UI state and when signals fit better.
Why Next.js Builds Time Out on Vercel. Why Next.js Builds Time Out on Vercel
Debug Next.js build timeouts on Vercel by checking route generation, CMS data fan‑out, memory pressure, image work, caching, logs, and platform limits.
React Developer vs. Next.js Developer: What Actually Changes in Production. React Developer vs. Next.js Developer: What Actually Changes in Production
React developer vs. Next.js developer explained through production concerns: rendering, routing, caching, SEO, deployment, CMS data, and debugging.
Next.js Site Broke After Deploy: A Production Triage Checklist. Next.js Site Broke After Deploy: A Production Triage Checklist
A Next.js production triage checklist for broken deploys, covering rollback decisions, logs, environment drift, routes, auth, CMS data, and cache.
Memoisation in JavaScript: Optimising Function Calls. Memoisation in JavaScript: Optimising Function Calls
Memoisation helps JavaScript functions run faster by caching previous results. Here's a clear guide on how and when to use memoisation effectively.
CMS Content Not Updating in Next.js. CMS Content Not Updating in Next.js
A production runbook for stale CMS content in Next.js, covering webhooks, route dependencies, ISR, cache boundaries, preview, and editor trust.
Handling API Routes in Next.js: When to Use Server Actions vs. API Routes. Handling API Routes in Next.js: When to Use Server Actions vs. API Routes
Next.js gives us two ways to handle back‑end logic: API Routes and Server Actions. Here, I clearly explain when to choose each approach for the best results.
Headless CMS SEO Controls Checklist. Headless CMS SEO Controls Checklist
A headless CMS SEO checklist covering metadata, canonicals, schema, redirects, sitemaps, preview, internal links, image fields, and publishing controls.
Technical SEO Launch Criteria for a Next.js Migration. Technical SEO Launch Criteria for a Next.js Migration
Technical SEO launch criteria for Next.js migrations, covering URLs, redirects, canonicals, metadata, rendered HTML, schema, sitemaps, and recovery.
Understanding the Module Pattern in JavaScript. Understanding the Module Pattern in JavaScript
The JavaScript module pattern explained through closures and private state, plus the architectural lessons it still teaches modern developers today.
How to Compare Rendered HTML Before and After a Migration. How to Compare Rendered HTML Before and After a Migration
Compare rendered HTML before and after a migration, checking headings, metadata, links, schema, body copy, media, crawl signals, and launch risk.
Caching Across React, Next.js and Serverless Applications. Caching Across React, Next.js and Serverless Applications
Compare client‑side React caching, Next.js SSG, ISR and SSR caching, and Redis‑backed caches for reliable serverless data fetching and persistence.