Articles
Guides
The guides are the practical part of this archive: working explanations for a specific web development problem, written to show the decision as well as the answer. The subject varies, but the aim is consistent: enough context to use the technique sensibly rather than copy it blindly.
Faceted Navigation SEO in Headless Commerce: Filters, Canonicals, and Crawl Control. 
Right to Represent Agreements for UK Contractors. Right to Represent Agreements for UK Contractors
Right to Represent agreements for UK contractors, covering recruiter pressure, duplicate submissions, hybrid working changes, and safer wording before signing.
Advanced Error Handling in JavaScript with try, catch, and finally. Advanced Error Handling in JavaScript with
try,catch, andfinallyGo beyond basic try/catch in JavaScript with finally, custom errors, async error handling, testing, user‑facing failures, and defensive‑code traps.
Gatsby Build Times are Slow: Fix or Migrate? Gatsby Build Times are Slow: Fix or Migrate?
Slow Gatsby builds need a clear choice: optimise plugins, data, and images in place, or move to Next.js when publishing and cache limits justify it.
GTM, Consent Tools, and Core Web Vitals: How to Audit Third‑Party Script Cost. GTM, Consent Tools, and Core Web Vitals: How to Audit Third‑Party Script Cost
Audit third‑party script cost across GTM, consent tools, analytics, experimentation, and personalisation, without breaking measurement or business workflows.
Gatsby to Next.js Migration Checklist. Gatsby to Next.js Migration Checklist
A practical Gatsby to Next.js migration checklist covering routes, data, rendering, plugins, images, redirects, preview, sitemaps, and SEO validation.
Contentful to Sanity Migration Checklist for Next.js Sites. Contentful to Sanity Migration Checklist for Next.js Sites
A practical Contentful to Sanity migration checklist for Next.js sites, covering schemas, references, preview, redirects, metadata, and SEO checks.
SEO Best Practices in Next.js: Improving Core Web Vitals. SEO Best Practices in Next.js: Improving Core Web Vitals
SEO best practices in Next.js, with a sharper focus on Core Web Vitals, stable layouts, lighter bundles, metadata, and real user measurement for search.
Why Your Next.js App Router Page is Stale: Cache Tags, Revalidation, and CMS Publishing. Why Your Next.js App Router Page is Stale: Cache Tags, Revalidation, and CMS Publishing
Debug stale Next.js App Router pages with cache tags, revalidation paths, CMS webhooks, preview freshness, dependency graphs, and simpler cache contracts.
Contentful to Sanity Migration Risks for Next.js Sites. Contentful to Sanity Migration Risks for Next.js Sites
Contentful to Sanity migration risks for Next.js sites, including models, references, rich text, preview, metadata, redirects, and launch checks.
CMS Preview Should Be a Migration Requirement, Not an Afterthought. CMS Preview Should Be a Migration Requirement, Not an Afterthought
Why CMS preview belongs in the migration plan for Next.js sites, covering draft state, auth, cookies, iframes, cache invalidation, and governance.
Should You Move from Contentful to Sanity? Should You Move from Contentful to Sanity?
How to decide whether moving from Contentful to Sanity makes sense for a Next.js website, including workflow, modelling, preview, and migration risk.
AGI vs. AI vs. ASI: What Actually Changes? AGI vs. AI vs. ASI: What Actually Changes?
A practical explanation of AI, AGI and ASI for engineering and product teams, covering capability, autonomy, risk, governance, and real‑world impact.
A Deep Dive into JavaScript's Proxy and Reflect API. A Deep Dive into JavaScript's
ProxyandReflectAPIA look into how JavaScript's Proxy and Reflect APIs work together to intercept and redefine object behaviour, including practical use cases and common patterns.
Fixing Contentful Preview in Next.js Draft Mode. Fixing Contentful Preview in Next.js Draft Mode
Fix Contentful preview in Next.js by checking Draft Mode, preview URLs, iframe cookies, draft data boundaries, auth, performance, and editor trust.
Union‑Find Explained: Solving the 'Number of Provinces' Problem. Union‑Find Explained: Solving the 'Number of Provinces' Problem
Solve Number of Provinces with union‑find in TypeScript, comparing DFS, connected components, path compression, union by rank, and matrix scanning.
Privacy by Design is Not a Cookie Banner. Privacy by Design is Not a Cookie Banner
Privacy by design means building safer data handling into platforms, analytics, CRM integrations, and workflows from the start, not relying on banners later.
Next.js Build Failing on Vercel: How to Find the First Real Failure. Next.js Build Failing on Vercel: How to Find the First Real Failure
A practical way to debug failing Next.js builds on Vercel, from first useful error lines and environment drift to route generation and memory pressure.