Shopify
Shopify Theme Scores 40 on Lighthouse: The Fix Order
Most Shopify performance advice is a list of tips in no particular order. Here is how to measure first, find the actual cause, and fix things in the order…
Rohit Bhadani
I write about why software breaks and how people figure it out. Founder of Krova Cloud, building isolated microVMs on our own hypervisor. Years of Shopify theme work and shared hosting before that. If I have not reproduced it, I do not publish it.
AI
Prompt Injection Is Not a Bug You Can Patch
Every mitigation at the model layer can be worked around. The fix is architectural: assume the model will be compromised and limit what it can do.
DevOps
Your CI Pipeline Has More Access Than Your Engineers Do
A build system with production credentials and the ability to run arbitrary code from a pull request is the most under-secured part of most stacks.
Shopify
Shopify vs WooCommerce: A Builder's Honest Comparison
I build Shopify themes for a living, which makes me exactly the wrong person to ask and exactly the right person to ask.
JavaScript
Debugging Slow TypeScript Builds With generateTrace
Your editor takes four seconds to show a type error and tsc takes two minutes. There is a profiler for this and almost nobody uses it.
Kubernetes
OOMKilled: Why Your Container Died With Clean Metrics
Exit code 137, a memory graph that looks perfectly healthy, and no application error. Here is why your monitoring missed it and how to find the real number.
Networking
GraphQL Returns 200 With Your Error Inside It
Every response is a success as far as HTTP is concerned. That one design decision breaks monitoring, retries, and error handling unless you plan for it.
Shopify
The Shopify Cart Bug That Only Happens on Slow Connections
Items vanish from the cart, quantities are wrong, and it never reproduces on your machine. Throttle your network and it appears every time.
Bug Hunt
The Bug That Only Happened on Tuesdays
A weekly export failed every Tuesday and worked every other day. Three wrong hypotheses later, the cause was a date format string nobody had looked at in…
Performance
How to Read a Flame Graph in Sixty Seconds
Width is time, stacking is call depth, and left to right means nothing. Once those three facts land, flame graphs become the fastest way to find a bottleneck.
Opinion
Choose Boring Technology, Except Where It Matters
The advice is right and incomplete. The interesting question is where to spend your limited budget for novelty.
Node.js
ERR_REQUIRE_ESM: The Complete Guide to Why Your Import Broke
The error that shows up when a dependency goes ESM only. What it means, the five ways to fix it, and how to pick the right one.