How to optimize your ETags to speed up your site and reduce calls to your origin without requiring significant code refactoring or content overhaul.

I got home about a month ago from a conference tour through Romania, Belgium, and the Netherlands. I gave a talk about LLMs in all three places, and then one more time once I got home to Chicago. M…

The Core Model is a practical methodology that flips traditional digital development on its head. Instead of starting with solutions or structure, we begin with a hypothesis about what users need and...

I shouldn’t have to care about this. I don’t want to care about how someone’s code gets into the IDE. Whether you wrote it by hand, copied it from a forum…

Heydon Pickering takes a fresh look the Every Layout Sidebar layout, 6 years on, to see if modern CSS selectors can improve it.

The Wizard of Oz method is a proven UX research tool that simulates real interactions to uncover authentic user behavior. Victor Yocco unpacks the core principles of the WOZ method, explores advanced...

A deep dive into evals, goldens, and hill climbing for improving coding-capable AI models.

Did you know your favorite website can detect when you're browsing it in public transport or when you scroll it in your bed? Moreover, this info sometimes helps them to fight bots.

A plain-language guide to WCAG accessibility standards. Friendly explanations that make accessibility easier to understand, one criterion at a time.