I guess some request headers are more trustworthy than others.

There's a subset of request headers that can't be modified by a spec-compliant user agent. Let's explore why they're useful for determining how and for what purpose a request was triggered.

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Minimal CSS-only blurry image placeholders

Here’s a CSS technique that produces blurry image placeholders (LQIPs) without cluttering up your markup — Only a single custom property needed! Granted, it’s a very blurry placeholder especially in contrast to other leading solutions.

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Buying browser extensions for fun and profit

Your browser extensions could be secretly sold to malicious actors without your knowledge. What starts as helpful tools created by passionate developers can transform into dangerous spyware when sold to the highest bidder.
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Hybrid Linters: The Best of Both Worlds

Native speed for parsing and type checking is wonderful. I also want the huge benefits of writing lint rules in an ecosystem's primary language. Here's how I think we can have both. It’s an exciting time for web dev tooling.

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Building Robust React Apps with Zustand and Immer

For years, I dodged React like the plague. In fact, I avoided JavaScript altogether, even in web-related tasks. Take static site generators, for example. For my old chemistry blog, I experimented with a variety of tools, year by year: Pelican, Jekyll, Hugo, Grav... In the end, I settled on Zola.

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How AI Agents Are Quietly Transforming Frontend Development

You may not hear them, but they’re there. Working in the background adjusting code, optimizing layouts, handling repetitive tasks — AI agents have been quietly infiltrating frontend development.

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5 GitHub Actions every maintainer needs to know

Maintaining and contributing to open source projects can be rewarding—but it comes with a lot of small, repetitive tasks. The good news? GitHub Actions can automate the more tedious and error-prone parts of maintainership, freeing you up to focus on what matters: building and growing your community.

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