Dhanendran's Blog

It's all about my technology & social adventures…

Local Dev Toolkit: disk cleanup and debug tools, built into Local

If you build WordPress sites in Local, you already know the two small frictions that never quite go away. Local sites quietly balloon in size — caches, transients, post revisions, an uploads folder that never shrinks — and every time you need to… Continue Reading →

Engineering the Editorial Experience in WordPress

Content Modeling in WordPress – The Hidden Foundation of Scalable Sites

When a WordPress platform starts to struggle at scale, teams usually blame the wrong things. They blame the database. They blame plugins. They blame caching layers. But in many cases, the real problem sits much deeper in the system: Poor… Continue Reading →

Evolving the WordPress API Layer: Beyond the REST API

For years, when we said “WordPress API,” we meant one thing: the REST API. Introduced into core in WordPress 4.7, it changed everything. WordPress was no longer just a CMS. It became an application platform. Headless builds accelerated. React and… Continue Reading →

Practical API Versioning Strategies – Keeping APIs Evergreen Without Chaos

APIs don’t fail because of bad syntax.They fail because of time. You ship v1. It works. Clients integrate.Then product evolves. Data models change. Requirements expand.Suddenly, your clean API is a negotiation between past decisions and future ambition. Versioning is not… Continue Reading →

Migrating from Classic Editor to Gutenberg (Without Breaking Your Business)

For many legacy WordPress publishers, the Classic Editor isn’t technical debt. It’s business infrastructure. Ads inject at specific paragraph counts.Affiliate modules hook into content filters.Shortcodes power monetization.Editors rely on muscle memory built over years. And so Gutenberg adoption gets postponed…. Continue Reading →

Observability for WordPress at Scale – Metrics That Matter

When WordPress sites are small, debugging is easy. Something breaks, you check the logs, refresh the page a few times, maybe deactivate a plugin, and move on. At scale, that approach collapses. When your WordPress platform serves millions of requests… Continue Reading →

Designing APIs for Teams You’ll Never Meet

When you design an API inside your own team, a lot is unsaid. You know the business context. You know the shortcuts. You know who to ping on Slack when something feels off. When you design an API for teams… Continue Reading →

Caching Is a Product Decision, Not an Ops Detail

For a long time, caching has been treated as a backend or DevOps concern. Something you “add later.”Something ops will “tune.”Something you only think about when the site gets slow. That mindset is not just outdated — it actively hurts… Continue Reading →

What We Got Wrong (and Right) With Headless WordPress at Scale

Over several years, we worked on migrating and running a large, high-traffic WordPress platform using a headless architecture. This wasn’t a proof of concept or a short-lived experiment — it was a real production system with millions of users, a… Continue Reading →

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