On 19th and 20th of November 2026, the web performance community will gather at performance.now() in Amsterdam to discuss today’s most important web performance insights.

On 19th and 20th of November 2026, the web performance community will gather at performance.now() in Amsterdam to discuss today’s most important web performance insights.

About twenty boxes of books were thrown onto the street from my apartment building. That made me sad, but I’m not going read 98% of them. But they were taken anyway, and quickly. Books aren’t dead. Th...

Thirty years of voluntary funding schemes haven't paid open source maintainers because asking doesn't scale. The real money already flows — to JFrog, Docker, Sonatype — at the registry layer. The fix: registries charge companies for supply (they already do), then route a slice automatically to the maintainers who make that supply worth having.

I plan to use style containers for centralised breakpoint definitions, combining style queries with CSS nesting. Also, I went down a rabbit hole. Do you know what a container is? And that size contain...

I plan to use style containers for centralised breakpoint definitions. This can be a useful technique for a while. Also, it led me down a rabbit hole of container research. Do you know what a containe...

Fifteen years ago I helped popularise the meta viewport width=device-width,initial-scale=1. Today I found out the second bit is no longer necessary. A retrospective.

Fifteen years ago I helped popularise the meta viewport width=device-width,initial-scale=1. Today I found out the second bit is no longer necessary. A retrospective.

@vale@fedi.vale.rocks You are correct, initial-scale=1 is no longer needed for Safari/iPhone. (Did not test iPad.) In fact, secretly, in the past *only* initial-scale=1 was required; width=device-wid...

On 19th and 20th of November 2026, the seventh edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

An example of a website being irrelevant bullshit that happened to trigger me. Why didn't a UX designer pull the emergency break?

On 19th and 20th of November 2026, the seventh edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

On 19th and 20th of November 2026, the seventh edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.