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.
Articles
Front‑end Development, page 3 of 24
Front‑end web development is my personal niche, it is the art of creating visual and interactive elements for a website, including layout, design, and interactivity, using HTML, CSS, and JavaScript.
Below you will find a subset of articles from my blog specifically about Front‑End Development. This is an area I have worked with for many years, and it has been a regular subject in my writing. There are four hundred fifteen articles collected together for you below.
Understanding the Module Pattern in JavaScript. 
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 Strategies in React. Caching Strategies in React
React performance work is often about avoiding repeated effort. This guide looks at memoisation, browser caching, and smarter data‑fetching choices.
Traffic Dropped After a WordPress to Next.js Migration: What to Check First. Traffic Dropped After a WordPress to Next.js Migration: What to Check First
How to diagnose traffic loss after a WordPress to Next.js migration by checking redirects, rendered HTML, metadata, canonicals, and tracking noise.
WordPress to Next.js Migration Checklist for Content, Preview and SEO. WordPress to Next.js Migration Checklist for Content, Preview and SEO
A WordPress to Next.js migration checklist for URLs, content models, media, preview, redirects, metadata, schema, sitemaps, SEO, and launch checks.
Practical Use Cases for JavaScript Set and Map. Practical Use Cases for JavaScript
SetandMapJavaScript's `Set` and `Map` simplify common tasks like managing unique values or key‑value pairs. Here, I'll share practical examples for everyday development.
Next.js Sitemap, Robots, and Crawlability Debugging Checklist. Next.js Sitemap, Robots, and Crawlability Debugging Checklist
A Next.js crawlability checklist for debugging sitemaps, robots.txt, canonicals, route generation, redirects, staging leaks, missing pages, and indexation.
Why JavaScript Pages are Crawled but Not Indexed. Why JavaScript Pages are Crawled but Not Indexed
Why JavaScript pages get crawled but not indexed, covering rendered content, metadata, canonicals, links, noindex rules, quality, and crawl signals.
React SPA to Next.js Migration Checklist for SEO and Indexing. 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.
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.
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 JavaScriptUnderstand WeakMap and WeakSet in JavaScript, including weak references, metadata storage, private data patterns, memory behaviour, and Map or Set differences.
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 optimises performance by reducing updates to the real DOM. Here, I explain how it works, how it compares, and why it improves efficiency.
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.