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Fifty imported Under The Hood essays on frontend, browser behavior, JavaScript internals, and AI engineering. More coming through the pipeline.

Your AI Feature Works. Your Users Don't Trust It. Here's Why.

April 17, 2026

AI Killed \"Powered by AI\"

April 15, 2026

Designing for Confident Wrong Answers: The Hardest UX Problem in AI

April 13, 2026

You Hated Matrix Math in College. Turns Out It Runs Every AI Model You’ve Ever Used.

April 10, 2026

The KV Cache: Why Your API Bill Is Higher Than It Should Be

April 8, 2026

Fine-Tuning vs. RAG vs. Prompting: Stop Asking Which Is Best

April 6, 2026

Tokens Are Not Words: What Every Developer Building on LLMs Actually Needs to Know

April 3, 2026

The React prop you use every day and completely misunderstand (Its key)

April 1, 2026

I built a marketplace of AI tools for 99 cents each. Then I waited for traffic that never came.

March 30, 2026

You don’t need a component for that

March 27, 2026

Tailwind isn't a CSS framework. It's a CSS avoidance framework. And that's fine.

March 25, 2026

Tree Shaking Doesn’t Work (Most of the Time)

March 23, 2026