React SPA to Next.js Migration Checklist for SEO and Indexing
A React SPA to Next.js SEO migration checklist for preserving indexing, redirects, metadata, rendered HTML, internal links, crawl paths, and launch confidence.
Articles, page 6 of 29
Articles from more than two decades of building, rebuilding, debugging, and leading web projects.
React SPA to Next.js Migration Checklist for SEO and Indexing. 
Dev Match Ltd., James McConnell, and the Refund That Never Came. Dev Match Ltd., James McConnell, and the Refund That Never Came
I paid Dev Match Ltd. for an iPad a year ago. It never arrived. Months of excuses from James McConnell, then a CCJ. This is my detailed record of what happened.
Testing Vue Components with Vue Test Utils. Testing Vue Components with Vue Test Utils
How to test Vue components with Vue Test Utils using realistic interactions, focused assertions, better test boundaries, and less brittle design.
Modified Binary Search: Solving 'Search in Rotated Sorted Array'. Modified Binary Search: Solving 'Search in Rotated Sorted Array'
How to solve Search in Rotated Sorted Array with modified binary search, identifying the sorted half each step and narrowing safely in TypeScript.
Greener Software is Mostly Less Waste. Greener Software is Mostly Less Waste
Greener software starts with engineering discipline: lighter pages, fewer wasted requests, better caching, leaner CI, and deliberate use of AI compute.
LeetCode: Solving the 'Merge Two Sorted Lists' Problem. LeetCode: Solving the 'Merge Two Sorted Lists' Problem
The 'Merge Two Sorted Lists' problem on LeetCode involves combining two sorted linked lists into one. Here, I explore a clear solution with TypeScript examples.
Binary Search on the Answer: Solving 'Koko Eating Bananas'. Binary Search on the Answer: Solving 'Koko Eating Bananas'
Solve Koko Eating Bananas with binary search on the answer, using feasibility checks, speed bounds, ceiling division, TypeScript examples, and edge cases.
Understanding Tail Call Optimisation in JavaScript. Understanding Tail Call Optimisation in JavaScript
Tail call optimisation in JavaScript, why it matters conceptually, and why patchy engine support still makes it unreliable for production recursion.
Understanding WeakMap and WeakSet in JavaScript. Understanding
WeakMapandWeakSetin JavaScriptUse
WeakMapandWeakSetfor metadata and membership without retaining keys, understand value types, and distinguish collection from guaranteed cleanup.
JavaScript Symbols: When and Why to Use Them. JavaScript Symbols: When and Why to Use Them
JavaScript Symbols explained in plain English, including unique keys, well‑known symbols, hidden metadata, and the cases where they are genuinely useful.
React's Virtual DOM vs. the Real DOM. React's Virtual DOM vs. the Real DOM
React's virtual DOM describes the UI before reconciliation updates the browser DOM. I explain the costs, list keys and why performance still needs measuring.
Best Practices for Vue Router in Large Applications. Best Practices for Vue Router in Large Applications
Managing routes in large Vue applications can become challenging. Here, I share practical best practices for structuring Vue Router to keep apps organised.
How JavaScript Handles Memory Management and Garbage Collection. How JavaScript Handles Memory Management and Garbage Collection
Garbage collection in JavaScript frees up unused memory automatically. Here, I explain how it works and how to prevent memory leaks in your applications.
Implementing Server‑Side Rendering (SSR) in Vue. Implementing Server‑Side Rendering (SSR) in Vue
How to implement server‑side rendering in Vue, with a clearer mental model for hydration, data loading, caching, and where SSR actually pays off.
Monotonic Stack: Solving the 'Daily Temperatures' Problem. Monotonic Stack: Solving the 'Daily Temperatures' Problem
Solve Daily Temperatures with a monotonic stack in TypeScript, storing indices to find the next warmer day without repeated scanning and common mistakes.
Generate Parentheses in TypeScript: A Clean Backtracking Walkthrough. Generate Parentheses in TypeScript: A Clean Backtracking Walkthrough
Generate valid parentheses in TypeScript with backtracking, recursion state, pruning, edge cases, and why the approach avoids invalid strings in code.
Implementing a Trie in TypeScript: Solving 'Implement Trie (Prefix Tree)'. Implementing a Trie in TypeScript: Solving 'Implement Trie (Prefix Tree)'
Implement a Trie prefix tree in TypeScript with Map‑based nodes, insert, search, startsWith, shared prefixes, complexity, and alternative child storage.
Building Efficient Recursive Functions in JavaScript. Building Efficient Recursive Functions in JavaScript
How to build efficient recursive functions in JavaScript, with better base cases, less repeated work, and a clearer sense of when recursion fits naturally.
The Execution Context in JavaScript. The Execution Context in JavaScript
Execution context defines how JavaScript code runs, from global scope to function calls. Here, I explore how it works in browsers, React, Next.js, and Node.js.
Optimising Performance in React with useMemo and useCallback. Optimising Performance in React with
useMemoanduseCallbackOptimise React performance with useMemo and useCallback only where profiling shows expensive calculations, unstable functions, or avoidable re‑renders.
Solving the LeetCode 'Binary Tree Zigzag Level Order Traversal' Problem. Solving the LeetCode 'Binary Tree Zigzag Level Order Traversal' Problem
Solve Binary Tree Zigzag Level Order Traversal with breadth‑first search, level sizing, alternating output order, and TypeScript implementation details.