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Thoughts, experiments, and documentation.

07.14.2026
Abhishek Singh

How We Debugged a 300+ Million Row PostgreSQL Table and Turned a 2 Second Query into a Millisecond Query

How we diagnosed a slow query on a 300M+ row PostgreSQL table, fixed a bad composite index, and rebuilt a backfill that caused a 12-hour WAL contention incident.

06.23.2026
Abhishek Singh

How Fun Balls Works: Real-Time Physics, Webcam Blob Detection, and Canvas Rendering in React

Deep technical breakdown of a React physics playground: Matter.js engine, webcam red-blob detection, flood-fill analysis, oriented bounding boxes

06.21.2026
Abhishek Singh

OpenRouter Setup in VSCode for AI Development

Learn how to integrate OpenRouter with VSCode to access multiple AI models effortlessly, boosting developer productivity and efficiency.

02.15.2026
Abhishek Singh

Automated SEO Blog Creation: New Leafpad Business

Launch an automated SEO blog business with Leafpad's single-prompt integration. Generate optimized content for Loveable, Replit, and coding platforms.

01.18.2026
Abhishek Singh

Making Loveable Sites SEO-Friendly with spa-ssr-renderer

Built a simple caching server that makes SPAs crawlable without expensive services. Open-sourced solution for Loveable and any SPA framework SEO optimization.

12.14.2025
Abhishek Singh

Random UUID is a performance killed in database

Detailed analysis of UUID primary key performance costs: 3x index bloat, 64% throughput loss. Includes PostgreSQL benchmarks and solutions for production databa

12.12.2025
Abhishek Singh

Scaling Smler to 1 Billion Links: How Efficient Architecture Beats Expensive Infrastructure

How I scaled smler, a URL shortener built for TRAI compliance, to handle 1 billion links using just two 2-core servers with PM2 Node.js clustering

12.12.2025
Abhishek Singh

Building leafpad: A Purpose Built Blog CMS for Developers

Why I built leafpad.io as a simplified alternative to headless CMS platforms. A single-line integration for blogs that works with AI coding assistants and modern development workflows.