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For many years now, JavaScript has been the workhorse of the web. If you wanted to do something that couldn’t be done with just HTML and CSS, you could usually find a way to do it with JS.
And, for the most part, that has served us well. JS has certainly helped push the user experience forward, and has even helped push HTML and CSS forward!
But as new HT...
Canvas-based rendering has become a prominent tool for building complex web UI interfaces. When working with large images on canvas, one critical challenge stands out: keeping the main thread responsive during image decoding.
Unfortunately there’s no universal way to decode an image for canvas’ drawImage() without blocking the main thread across all browsers. A...
Slow websites continue to be a problem and a lot of work is being done so developers can measure performance more effectively and fix performance issues.
This article contains a list of what's changed in web performance in 2025 and what to look forward to next year. Previously in this series: href="https://www.debugbear.com/blog/2024-in-web-performance" target="_bla...
After 25 years building sites for global brands, I kept seeing the same pattern appear. A team ships new features, users quietly begin to struggle, and only later do the bug reports start trickling in. Someone finally checks the metrics, panic spreads, and feature development is put on hold so the team can patch problems already affecting thousands of people. The fixe...
With the recent spate of high profile npm security incidents involving compromised deployment workflows, I decided that it would be prudent to do a full inventory of my npm security footprint (especially for 11ty).
Just in the last few months:
November 2025: href="h...
