Under The Hood
MSPKExploring what really happens when you write frontend code
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 43 | Founded | 9 months ago | Last Issue | 12 days ago |
| Active | |||||
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mspk.substack.comLatest Issues
Your Service Worker Is Serving Stale Code (And Your Users Are Stuck in a Time Warp)
Progressive Web Apps (PWAs) promised us a beautiful, offline-first future. We were told that by implementing service workers, we could bypass the unpredictable volatility of mobile networks, cache our core application shells locally, and de...
The rem vs px Illusion: How Browsers Actually Scale Typography for Accessibility
Go to any frontend engineering forum, search for typography, and you will find yourself staring into a deep, dogmatic rabbit hole. The battle lines were drawn a decade ago: on one side, you have the pixel purists who want exact, predictable...
Why I Published an npm Package Just to Parse a String to a Boolean
If you want to start a flame war in a room full of JavaScript developers, just bring up type coercion. We’ve all seen the memes. We all know that [] == ![] evaluates to true, and we’ve all laughed at the bizarre, dark corners of the ECM...
The DistilBERT Ceiling: The Exact Moment You Must Evict Client-Side AI to a Web Worker
In my last two posts, we looked at how running machine learning models directly in the browser can completely crash your Core Web Vitals, and why a model’s underlying architecture matters far more than its raw parameter count.
But as pragm...
Size Doesn’t Matter: Why a 39M Parameter AI Model Is Slower Than a 110M One in the Browser
If you hang around frontend engineering circles long enough, you’ll notice we have a universal rule of thumb for optimization: smaller is better. Smaller bundle sizes mean faster time-to-interactive. Smaller image assets mean lower layout s...
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