We build shirts about performance culture. It would be a little rich to do that and never actually check our […]

You don’t choose your favorite HTTP status code. It chooses you, usually during a formative debugging session sometime in your […]

Nobody agrees on who invented the loading spinner, and everybody agrees it has ruled their life since roughly the dial-up […]

Time To First Byte is not a glamorous metric. It doesn’t have the visual drama of a layout shift or […]

There is a very specific kind of silence that happens in the seconds between clicking “Analyze page load” and the […]

We didn’t set out to start a merch brand. We set out to fix a website that loaded like it […]