Why Is My Website Slow? A Step-by-Step Diagnosis
Don't guess at performance. Measure first, then work through server response, images, JavaScript, fonts and third-party scripts in order. A diagnostic guide built around Core Web Vitals.
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Tips & writing
Notes from the workbench
Practical engineering tips, design theory and performance breakdowns — written for developers and founders who like their advice tested in production.
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The N+1 Query Problem: How to Spot It and Fix It for Good
Your page loads 20 posts and quietly runs 21 database queries. The N+1 problem is the most common ORM performance bug. Here is how to recognise it and fix it in any stack.
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Database Indexing Explained for Application Developers
One missing index can turn a 5ms query into a 5 second one. What indexes are, how to read EXPLAIN, how composite indexes really work, and when an index makes things worse.
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Background Jobs and Queues: Stop Making Users Wait
Sending emails, resizing images and generating reports shouldn't happen while the user stares at a spinner. How job queues work, retries and idempotency, scheduled tasks and serverless options.
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Caching Strategies for Web Apps: Browser, CDN, Server and Database
Caching is the cheapest performance win there is, and the easiest way to serve stale data. How each cache layer works, which headers to use, and how to invalidate without tears.
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SSR vs CSR vs SSG: Choosing How Your Pages Get Rendered
Server-side rendering, client-side rendering and static generation each trade speed, freshness, cost and SEO differently. What each one does, where hydration fits in, and how to choose per page.
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Image Optimization for the Web: Faster Pages Without Ugly Pictures
Images are usually the heaviest part of a page. Formats, sizing, responsive images, lazy loading, the LCP image and layout shift: a practical checklist for fast pages that still look great.
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Technical SEO for Developers: What Actually Moves the Needle
Great content can't rank if search engines can't crawl, render or understand it. The technical SEO checklist developers control: indexability, titles, canonicals, sitemaps, structured data and speed.
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Progressive Web Apps: Make Your Site Installable and Offline-Ready
A PWA lets users install your website like an app, open it offline and get faster repeat visits. The manifest, service workers, caching strategies and honest limitations, explained practically.
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