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I keep seeing it on code reviews. Proxy solid. Auth on every Server Component. Header direction...


TL;DR — If you ship the same page in several languages, hreflang is what tells Google "these are...


In my last post I broke down why "convert this website to React" is so much harder than scraping...


Hey everyone! I’m gearing up to launch a new project I’ve been pouring a lot of love into. It's...


Core Web Vitals have been a ranking factor for a while, but App Router introduced new patterns that....


The problem I kept seeing I've spent years in SEO across enterprise teams and different...


Dark mode sounds simple until you implement it. Then you discover the flash. On first load, before....


The Trap Most Carbon Apps Fall Into When you say "build a carbon footprint app," the...

This is the public, sanitized version of an internal proposal I wrote to move our production app off...


Liquid syntax error: Variable '{{% raw %}' was not properly terminated with regexp: /\}\}/


A product that scrapes insurance portals every month, and the failures that taught me about building...


What I learned processing a million job listings with LLMs — architecture, cost control, and when AI...


I wanted to build a Python coding challenge platform that generates a completely unique problem ever...


This post was created for the H0: Hack the Zero Stack hackathon. #H0Hackathon Single-table...

Step-by-step guide to wiring Sanity Presentation plugin for live preview in Next.js App Router, with...


The core of Trackist is an LLM that authors a personalized training week. A user answers about...


A while ago I had to build a year-at-a-glance planning board: 52 weeks across the top, grouped...


📝 Originally published in Japanese on Zenn. This is the English version. Canonical:...


I created this project and this post for the **H0: Hack the Zero Stack* hackathon (Vercel v0 + AWS.....


Ten weeks ago I launched a niche reference site on a fresh .in domain. No backlinks, no budget, no.....


OopsSec Store validates a coupon and increments its counter in two separate database calls. Send...


📝 Originally published in Japanese on Zenn. This is the English version. Canonical:...


TL;DR for vibe coders: Shipped an app with Cursor, Claude Code, or v0 and got a scary Vercel or Neon...


I built a transaction-time safety layer that blocks recalled products at resale. Here is how Aurora ...